Finding the Fourth Proportional to 89,385.86, 123,352.02 and 49,099.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,385.86 : 123,352.02 = 49,099.50 : x
2. Step 2: Convert to fraction form
   89,385.86/123,352.02 = 49,099.50/x
3. Step 3: Cross multiply
   89,385.86x = 123,352.02 × 49,099.50
4. Step 4: Simplify right side
   89,385.86x = 6,056,522,505.99
5. Step 5: Solve for x
   x = 6,056,522,505.99/89,385.86
6. Step 6: Final answer
   x = 67,757.05