A power station is on one side of a river that is 1/2 mile wide. A factory is 6 miles downstream on the other side of the river.

A power station is on one side of a river that is 1/2 mile wide. A factory is 6 miles downstream on the other side of the river. It costs $12 per foot to run power lines over land and $16 per foot to run them under water. The project's cost is $408,789.24. Find the length as labeled in the figure. (Enter your answers from smallest to largest. Use 2 decimal places.)X=__________miX=__________mi