given the proportion :
[tex]\frac{4}{x}=\frac{7}{56}[/tex]we will find x as follows:
[tex]\begin{gathered} \frac{7}{56}=\frac{7\cdot1}{7\cdot8}=\frac{1}{8} \\ \\ \frac{4}{x}=\frac{1}{8} \\ \\ x=4\cdot8=32 \end{gathered}[/tex]So, the answer is: x = 32