Finding the Fourth Proportional to 89,724.96, 123,819.83 and 49,437.79

Step by Step Solution

1. Step 1: Write the proportion equation
   89,724.96 : 123,819.83 = 49,437.79 : x
2. Step 2: Convert to fraction form
   89,724.96/123,819.83 = 49,437.79/x
3. Step 3: Cross multiply
   89,724.96x = 123,819.83 × 49,437.79
4. Step 4: Simplify right side
   89,724.96x = 6,121,378,753.38
5. Step 5: Solve for x
   x = 6,121,378,753.38/89,724.96
6. Step 6: Final answer
   x = 68,223.81