Finding the Fourth Proportional to 22,141.80, 33,229.38 and 15,105.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,141.80 : 33,229.38 = 15,105.18 : x
2. Step 2: Convert to fraction form
   22,141.80/33,229.38 = 15,105.18/x
3. Step 3: Cross multiply
   22,141.80x = 33,229.38 × 15,105.18
4. Step 4: Simplify right side
   22,141.80x = 501,935,766.19
5. Step 5: Solve for x
   x = 501,935,766.19/22,141.80
6. Step 6: Final answer
   x = 22,669.15