Finding the Fourth Proportional to 89,836.13, 123,974.42 and 49,550.96

Step by Step Solution

1. Step 1: Write the proportion equation
   89,836.13 : 123,974.42 = 49,550.96 : x
2. Step 2: Convert to fraction form
   89,836.13/123,974.42 = 49,550.96/x
3. Step 3: Cross multiply
   89,836.13x = 123,974.42 × 49,550.96
4. Step 4: Simplify right side
   89,836.13x = 6,143,050,658.82
5. Step 5: Solve for x
   x = 6,143,050,658.82/89,836.13
6. Step 6: Final answer
   x = 68,380.63