Finding the Fourth Proportional to 22,500.52, 31,050.56 and 12,429.62

Step by Step Solution

1. Step 1: Write the proportion equation
   22,500.52 : 31,050.56 = 12,429.62 : x
2. Step 2: Convert to fraction form
   22,500.52/31,050.56 = 12,429.62/x
3. Step 3: Cross multiply
   22,500.52x = 31,050.56 × 12,429.62
4. Step 4: Simplify right side
   22,500.52x = 385,946,661.59
5. Step 5: Solve for x
   x = 385,946,661.59/22,500.52
6. Step 6: Final answer
   x = 17,152.79