Finding the Fourth Proportional to 22,511.52, 31,061.48 and 12,437.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,511.52 : 31,061.48 = 12,437.96 : x
2. Step 2: Convert to fraction form
   22,511.52/31,061.48 = 12,437.96/x
3. Step 3: Cross multiply
   22,511.52x = 31,061.48 × 12,437.96
4. Step 4: Simplify right side
   22,511.52x = 386,341,228.28
5. Step 5: Solve for x
   x = 386,341,228.28/22,511.52
6. Step 6: Final answer
   x = 17,161.93