Finding the Fourth Proportional to 90,410.27, 124,767.31 and 52,177.76

Step by Step Solution

1. Step 1: Write the proportion equation
   90,410.27 : 124,767.31 = 52,177.76 : x
2. Step 2: Convert to fraction form
   90,410.27/124,767.31 = 52,177.76/x
3. Step 3: Cross multiply
   90,410.27x = 124,767.31 × 52,177.76
4. Step 4: Simplify right side
   90,410.27x = 6,510,078,938.50
5. Step 5: Solve for x
   x = 6,510,078,938.50/90,410.27
6. Step 6: Final answer
   x = 72,005.97