Finding the Fourth Proportional to 10,086.80, 15,132.25 and 3,513.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,086.80 : 15,132.25 = 3,513.50 : x
2. Step 2: Convert to fraction form
   10,086.80/15,132.25 = 3,513.50/x
3. Step 3: Cross multiply
   10,086.80x = 15,132.25 × 3,513.50
4. Step 4: Simplify right side
   10,086.80x = 53,167,160.38
5. Step 5: Solve for x
   x = 53,167,160.38/10,086.80
6. Step 6: Final answer
   x = 5,270.96