Who can count
manah  (maw-naw')
to weigh out; by implication, to allot or constitute officially; also to enumerate or enroll -- appoint, count, number, prepare, set, tell.
the dust
`aphar  (aw-fawr')
dust (as powdered or gray); hence, clay, earth, mud -- ashes, dust, earth, ground, morter, powder, rubbish.
of Jacob
Ya`aqob  (yah-ak-obe')
heel-catcher (i.e. supplanter); Jaakob, the Israelitish patriarch -- Jacob.
and the number
micpar  (mis-pawr')
a number, definite (arithmetical) or indefinite (large, innumerable; small, a few); also (abstractly) narration
of the fourth
roba`  (ro'-bah)
a quarter -- fourth participle
part of Israel
Yisra'el  (yis-raw-ale')
he will rule as God; Jisrael, a symbolical name of Jacob; also (typically) of his posterity: --Israel.
Let me die
muwth  (mooth)
causatively, to kill
nephesh  (neh'-fesh)
a breathing creature, i.e. animal of (abstractly) vitality; used very widely in a literal, accommodated or figurative sense (bodily or mental)
the death
maveth  (maw'-veth)
death (natural or violent); concretely, the dead, their place or state (hades); figuratively, pestilence, ruin -- (be) dead(-ly), death, die(-d).
of the righteous
yashar  (yaw-shawr')
straight -- convenient, equity, Jasher, just, meet(-est), + pleased well right(-eous), straight, (most) upright(-ly, -ness).
and let my last
'achariyth  (akh-ar-eeth')
the last or end, hence, the future; also posterity -- (last, latter) end (time), hinder (utter) -most, length, posterity, remnant, residue, reward.
end be like his