Finding the Fourth Proportional to 92,617.69, 138,778.91 and 59,310.35

Step by Step Solution

1. Step 1: Write the proportion equation
   92,617.69 : 138,778.91 = 59,310.35 : x
2. Step 2: Convert to fraction form
   92,617.69/138,778.91 = 59,310.35/x
3. Step 3: Cross multiply
   92,617.69x = 138,778.91 × 59,310.35
4. Step 4: Simplify right side
   92,617.69x = 8,231,025,428.17
5. Step 5: Solve for x
   x = 8,231,025,428.17/92,617.69
6. Step 6: Final answer
   x = 88,870.99