Finding the Fourth Proportional to 22,567.52, 31,143.50 and 13,002.13

Step by Step Solution

1. Step 1: Write the proportion equation
   22,567.52 : 31,143.50 = 13,002.13 : x
2. Step 2: Convert to fraction form
   22,567.52/31,143.50 = 13,002.13/x
3. Step 3: Cross multiply
   22,567.52x = 31,143.50 × 13,002.13
4. Step 4: Simplify right side
   22,567.52x = 404,931,790.30
5. Step 5: Solve for x
   x = 404,931,790.30/22,567.52
6. Step 6: Final answer
   x = 17,943.13