Finding the Fourth Proportional to 65,152.43, 89,864 and 59,792.17

Step by Step Solution

1. Step 1: Write the proportion equation
   65,152.43 : 89,864 = 59,792.17 : x
2. Step 2: Convert to fraction form
   65,152.43/89,864 = 59,792.17/x
3. Step 3: Cross multiply
   65,152.43x = 89,864 × 59,792.17
4. Step 4: Simplify right side
   65,152.43x = 5,373,163,564.88
5. Step 5: Solve for x
   x = 5,373,163,564.88/65,152.43
6. Step 6: Final answer
   x = 82,470.65