Finding the Fourth Proportional to 22,500.24, 31,050.14 and 12,429.38

Step by Step Solution

1. Step 1: Write the proportion equation
   22,500.24 : 31,050.14 = 12,429.38 : x
2. Step 2: Convert to fraction form
   22,500.24/31,050.14 = 12,429.38/x
3. Step 3: Cross multiply
   22,500.24x = 31,050.14 × 12,429.38
4. Step 4: Simplify right side
   22,500.24x = 385,934,004.59
5. Step 5: Solve for x
   x = 385,934,004.59/22,500.24
6. Step 6: Final answer
   x = 17,152.44