Finding the Fourth Proportional to 89,807.50, 123,939.57 and 49,529.83

Step by Step Solution

1. Step 1: Write the proportion equation
   89,807.50 : 123,939.57 = 49,529.83 : x
2. Step 2: Convert to fraction form
   89,807.50/123,939.57 = 49,529.83/x
3. Step 3: Cross multiply
   89,807.50x = 123,939.57 × 49,529.83
4. Step 4: Simplify right side
   89,807.50x = 6,138,705,832.37
5. Step 5: Solve for x
   x = 6,138,705,832.37/89,807.50
6. Step 6: Final answer
   x = 68,354.04