Finding the Fourth Proportional to 90,414.67, 124,772.72 and 52,175.81

Step by Step Solution

1. Step 1: Write the proportion equation
   90,414.67 : 124,772.72 = 52,175.81 : x
2. Step 2: Convert to fraction form
   90,414.67/124,772.72 = 52,175.81/x
3. Step 3: Cross multiply
   90,414.67x = 124,772.72 × 52,175.81
4. Step 4: Simplify right side
   90,414.67x = 6,510,117,731.90
5. Step 5: Solve for x
   x = 6,510,117,731.90/90,414.67
6. Step 6: Final answer
   x = 72,002.89