Finding the Fourth Proportional to 89,850.43, 123,992.05 and 49,568.05

Step by Step Solution

1. Step 1: Write the proportion equation
   89,850.43 : 123,992.05 = 49,568.05 : x
2. Step 2: Convert to fraction form
   89,850.43/123,992.05 = 49,568.05/x
3. Step 3: Cross multiply
   89,850.43x = 123,992.05 × 49,568.05
4. Step 4: Simplify right side
   89,850.43x = 6,146,043,266.20
5. Step 5: Solve for x
   x = 6,146,043,266.20/89,850.43
6. Step 6: Final answer
   x = 68,403.05