Finding the Fourth Proportional to 22,861.22, 31,545.61 and 13,787.05

Step by Step Solution

1. Step 1: Write the proportion equation
   22,861.22 : 31,545.61 = 13,787.05 : x
2. Step 2: Convert to fraction form
   22,861.22/31,545.61 = 13,787.05/x
3. Step 3: Cross multiply
   22,861.22x = 31,545.61 × 13,787.05
4. Step 4: Simplify right side
   22,861.22x = 434,920,902.35
5. Step 5: Solve for x
   x = 434,920,902.35/22,861.22
6. Step 6: Final answer
   x = 19,024.40