Finding the Fourth Proportional to 4,062.72, 5,606.24 and 3,116.80

Step by Step Solution

1. Step 1: Write the proportion equation
   4,062.72 : 5,606.24 = 3,116.80 : x
2. Step 2: Convert to fraction form
   4,062.72/5,606.24 = 3,116.80/x
3. Step 3: Cross multiply
   4,062.72x = 5,606.24 × 3,116.80
4. Step 4: Simplify right side
   4,062.72x = 17,473,528.83
5. Step 5: Solve for x
   x = 17,473,528.83/4,062.72
6. Step 6: Final answer
   x = 4,300.94