Finding the Fourth Proportional to 90,150.66, 124,294.82 and 57,828.29

Step by Step Solution

1. Step 1: Write the proportion equation
   90,150.66 : 124,294.82 = 57,828.29 : x
2. Step 2: Convert to fraction form
   90,150.66/124,294.82 = 57,828.29/x
3. Step 3: Cross multiply
   90,150.66x = 124,294.82 × 57,828.29
4. Step 4: Simplify right side
   90,150.66x = 7,187,755,985.84
5. Step 5: Solve for x
   x = 7,187,755,985.84/90,150.66
6. Step 6: Final answer
   x = 79,730.49