Finding the Fourth Proportional to 89,385.48, 123,345.90 and 49,100.94

Step by Step Solution

1. Step 1: Write the proportion equation
   89,385.48 : 123,345.90 = 49,100.94 : x
2. Step 2: Convert to fraction form
   89,385.48/123,345.90 = 49,100.94/x
3. Step 3: Cross multiply
   89,385.48x = 123,345.90 × 49,100.94
4. Step 4: Simplify right side
   89,385.48x = 6,056,399,635.15
5. Step 5: Solve for x
   x = 6,056,399,635.15/89,385.48
6. Step 6: Final answer
   x = 67,755.97