Finding the Fourth Proportional to 89,644.83, 123,708.87 and 49,357.55

Step by Step Solution

1. Step 1: Write the proportion equation
   89,644.83 : 123,708.87 = 49,357.55 : x
2. Step 2: Convert to fraction form
   89,644.83/123,708.87 = 49,357.55/x
3. Step 3: Cross multiply
   89,644.83x = 123,708.87 × 49,357.55
4. Step 4: Simplify right side
   89,644.83x = 6,105,967,045.74
5. Step 5: Solve for x
   x = 6,105,967,045.74/89,644.83
6. Step 6: Final answer
   x = 68,112.88