Finding the Fourth Proportional to 89,732.06, 123,822.50 and 49,435.91

Step by Step Solution

1. Step 1: Write the proportion equation
   89,732.06 : 123,822.50 = 49,435.91 : x
2. Step 2: Convert to fraction form
   89,732.06/123,822.50 = 49,435.91/x
3. Step 3: Cross multiply
   89,732.06x = 123,822.50 × 49,435.91
4. Step 4: Simplify right side
   89,732.06x = 6,121,277,099.68
5. Step 5: Solve for x
   x = 6,121,277,099.68/89,732.06
6. Step 6: Final answer
   x = 68,217.28