Finding the Fourth Proportional to 65,048.48, 89,734.02 and 43,539.12

Step by Step Solution

1. Step 1: Write the proportion equation
   65,048.48 : 89,734.02 = 43,539.12 : x
2. Step 2: Convert to fraction form
   65,048.48/89,734.02 = 43,539.12/x
3. Step 3: Cross multiply
   65,048.48x = 89,734.02 × 43,539.12
4. Step 4: Simplify right side
   65,048.48x = 3,906,940,264.86
5. Step 5: Solve for x
   x = 3,906,940,264.86/65,048.48
6. Step 6: Final answer
   x = 60,061.98