Finding the Fourth Proportional to 22,562.96, 31,138.02 and 12,491.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,562.96 : 31,138.02 = 12,491.82 : x
2. Step 2: Convert to fraction form
   22,562.96/31,138.02 = 12,491.82/x
3. Step 3: Cross multiply
   22,562.96x = 31,138.02 × 12,491.82
4. Step 4: Simplify right side
   22,562.96x = 388,970,541.00
5. Step 5: Solve for x
   x = 388,970,541.00/22,562.96
6. Step 6: Final answer
   x = 17,239.34