Finding the Fourth Proportional to 22,687.52, 31,306.41 and 12,614.36

Step by Step Solution

1. Step 1: Write the proportion equation
   22,687.52 : 31,306.41 = 12,614.36 : x
2. Step 2: Convert to fraction form
   22,687.52/31,306.41 = 12,614.36/x
3. Step 3: Cross multiply
   22,687.52x = 31,306.41 × 12,614.36
4. Step 4: Simplify right side
   22,687.52x = 394,910,169.52
5. Step 5: Solve for x
   x = 394,910,169.52/22,687.52
6. Step 6: Final answer
   x = 17,406.50