Finding the Fourth Proportional to 22,633.18, 31,233.78 and 12,561.62

Step by Step Solution

1. Step 1: Write the proportion equation
   22,633.18 : 31,233.78 = 12,561.62 : x
2. Step 2: Convert to fraction form
   22,633.18/31,233.78 = 12,561.62/x
3. Step 3: Cross multiply
   22,633.18x = 31,233.78 × 12,561.62
4. Step 4: Simplify right side
   22,633.18x = 392,346,766.46
5. Step 5: Solve for x
   x = 392,346,766.46/22,633.18
6. Step 6: Final answer
   x = 17,335.03