A dozer with an S$-$blade pushed a normal load onto a level area. The height of

this load measured at the inside edge of each track was $7\mathrm{.}3$ ft and $7\mathrm{.}8$ ft$.$ The

width of the load at the inside edge of each track was $8\mathrm{.}5$ ft and $8\mathrm{.}9$ ft$.$ The

greatest length of the pile was $15$ ft$.$ What is the capacity of the blade?