A loan of $$$$3555$ borrowed today is to be repaid in three equal installments due in one$-$and$-$a$-$half years$,$ three$-$and$-$a$-$half $$years$,$ and five $$years$,$ respectively. What is the size of the equal installments if money is worth $9\mathrm{.}4\%$ compounded monthly?