Finding the Fourth Proportional to 89,781.47, 123,898.83 and 49,494.32

Step by Step Solution

1. Step 1: Write the proportion equation
   89,781.47 : 123,898.83 = 49,494.32 : x
2. Step 2: Convert to fraction form
   89,781.47/123,898.83 = 49,494.32/x
3. Step 3: Cross multiply
   89,781.47x = 123,898.83 × 49,494.32
4. Step 4: Simplify right side
   89,781.47x = 6,132,288,339.65
5. Step 5: Solve for x
   x = 6,132,288,339.65/89,781.47
6. Step 6: Final answer
   x = 68,302.38