Answer
$x\approx117.36$
Work Step by Step
We can set the cross products of the given proportion equal to each other and then solve for the unknown variable.
$34.1\times2.65=x\times.77$
$90.365=.77x$
Divide both sides by .77.
$\frac{90.365}{.77}=\frac{.77x}{.77x}$
$x\approx117.36$