Finding the Fourth Proportional to 89,403.92, 123,276.42 and 65,162.03

Step by Step Solution

1. Step 1: Write the proportion equation
   89,403.92 : 123,276.42 = 65,162.03 : x
2. Step 2: Convert to fraction form
   89,403.92/123,276.42 = 65,162.03/x
3. Step 3: Cross multiply
   89,403.92x = 123,276.42 × 65,162.03
4. Step 4: Simplify right side
   89,403.92x = 8,032,942,086.52
5. Step 5: Solve for x
   x = 8,032,942,086.52/89,403.92
6. Step 6: Final answer
   x = 89,850.00