Answer :
Let the horizontal distance be represented with x
By Trigonometric Ratio,
[tex]\begin{gathered} \tan 30=\frac{2400}{x} \\ \text{cross multiply, we get,} \\ x=\text{ }\frac{2400}{\tan30}=\text{ 4156.922}\approx\text{ 4156.9 fe}et \end{gathered}[/tex]