Answer
$$x=106.$$
Work Step by Step
To solve the proportion, we put the product of the means equal to the product of the extremes as follows:
$$\frac{73.4}{x}=\frac{25.9}{37.4}\Longrightarrow x\times 25.9= 73.4\times 37.4\Longrightarrow x=\frac{73.4\times 37.4}{25.9}=105.99 \approx 106$$
