Finding the Fourth Proportional to 22,571, 31,147.92 and 12,500.24

Step by Step Solution

1. Step 1: Write the proportion equation
   22,571 : 31,147.92 = 12,500.24 : x
2. Step 2: Convert to fraction form
   22,571/31,147.92 = 12,500.24/x
3. Step 3: Cross multiply
   22,571x = 31,147.92 × 12,500.24
4. Step 4: Simplify right side
   22,571x = 389,356,475.50
5. Step 5: Solve for x
   x = 389,356,475.50/22,571
6. Step 6: Final answer
   x = 17,250.30