Finding the Fourth Proportional to 64,629.72, 96,470.88 and 59,880.42

Step by Step Solution

1. Step 1: Write the proportion equation
   64,629.72 : 96,470.88 = 59,880.42 : x
2. Step 2: Convert to fraction form
   64,629.72/96,470.88 = 59,880.42/x
3. Step 3: Cross multiply
   64,629.72x = 96,470.88 × 59,880.42
4. Step 4: Simplify right side
   64,629.72x = 5,776,716,812.17
5. Step 5: Solve for x
   x = 5,776,716,812.17/64,629.72
6. Step 6: Final answer
   x = 89,381.74