Finding the Fourth Proportional to 10,131.52, 13,979.92 and 5,655.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,131.52 : 13,979.92 = 5,655.04 : x
2. Step 2: Convert to fraction form
   10,131.52/13,979.92 = 5,655.04/x
3. Step 3: Cross multiply
   10,131.52x = 13,979.92 × 5,655.04
4. Step 4: Simplify right side
   10,131.52x = 79,057,006.80
5. Step 5: Solve for x
   x = 79,057,006.80/10,131.52
6. Step 6: Final answer
   x = 7,803.07