Finding the Fourth Proportional to 89,761.18, 123,869.72 and 49,475.02

Step by Step Solution

1. Step 1: Write the proportion equation
   89,761.18 : 123,869.72 = 49,475.02 : x
2. Step 2: Convert to fraction form
   89,761.18/123,869.72 = 49,475.02/x
3. Step 3: Cross multiply
   89,761.18x = 123,869.72 × 49,475.02
4. Step 4: Simplify right side
   89,761.18x = 6,128,456,874.39
5. Step 5: Solve for x
   x = 6,128,456,874.39/89,761.18
6. Step 6: Final answer
   x = 68,275.14