Finding the Fourth Proportional to 89,781.64, 123,899.46 and 49,496.82

Step by Step Solution

1. Step 1: Write the proportion equation
   89,781.64 : 123,899.46 = 49,496.82 : x
2. Step 2: Convert to fraction form
   89,781.64/123,899.46 = 49,496.82/x
3. Step 3: Cross multiply
   89,781.64x = 123,899.46 × 49,496.82
4. Step 4: Simplify right side
   89,781.64x = 6,132,628,805.09
5. Step 5: Solve for x
   x = 6,132,628,805.09/89,781.64
6. Step 6: Final answer
   x = 68,306.05