Finding the Fourth Proportional to 59,105.12, 88,640.40 and 48,691.04

Step by Step Solution

1. Step 1: Write the proportion equation
   59,105.12 : 88,640.40 = 48,691.04 : x
2. Step 2: Convert to fraction form
   59,105.12/88,640.40 = 48,691.04/x
3. Step 3: Cross multiply
   59,105.12x = 88,640.40 × 48,691.04
4. Step 4: Simplify right side
   59,105.12x = 4,315,993,262.02
5. Step 5: Solve for x
   x = 4,315,993,262.02/59,105.12
6. Step 6: Final answer
   x = 73,022.32