(9$$\frac{3}{5}$$\cdot$$1,6)$$\cdot4$$\frac{1}{2}$$

$$\begin{aligned}(9\frac{3}{5}\cdot 1,6)\cdot4\frac{1}{2} &= (\frac{48}{5}\cdot1,6)\cdot\frac{9}{2}=\frac{48\cdot1,6}{5}\cdot\frac{9}{2}=\frac{76,8}{5}\cdot\frac{9}{2}=\frac{76,8\cdot9}{5\cdot2}=\frac{691,2}{10}=69,12\end{aligned}$$