Finding the Fourth Proportional to 22,570.86, 31,149.54 and 12,500.24

Step by Step Solution

1. Step 1: Write the proportion equation
   22,570.86 : 31,149.54 = 12,500.24 : x
2. Step 2: Convert to fraction form
   22,570.86/31,149.54 = 12,500.24/x
3. Step 3: Cross multiply
   22,570.86x = 31,149.54 × 12,500.24
4. Step 4: Simplify right side
   22,570.86x = 389,376,570.14
5. Step 5: Solve for x
   x = 389,376,570.14/22,570.86
6. Step 6: Final answer
   x = 17,251.30