Finding the Fourth Proportional to 22,680.72, 33,948.29 and 12,124.35

Step by Step Solution

1. Step 1: Write the proportion equation
   22,680.72 : 33,948.29 = 12,124.35 : x
2. Step 2: Convert to fraction form
   22,680.72/33,948.29 = 12,124.35/x
3. Step 3: Cross multiply
   22,680.72x = 33,948.29 × 12,124.35
4. Step 4: Simplify right side
   22,680.72x = 411,600,949.86
5. Step 5: Solve for x
   x = 411,600,949.86/22,680.72
6. Step 6: Final answer
   x = 18,147.61