Finding the Fourth Proportional to 64,061.28, 95,701.50 and 61,728.48

Step by Step Solution

1. Step 1: Write the proportion equation
   64,061.28 : 95,701.50 = 61,728.48 : x
2. Step 2: Convert to fraction form
   64,061.28/95,701.50 = 61,728.48/x
3. Step 3: Cross multiply
   64,061.28x = 95,701.50 × 61,728.48
4. Step 4: Simplify right side
   64,061.28x = 5,907,508,128.72
5. Step 5: Solve for x
   x = 5,907,508,128.72/64,061.28
6. Step 6: Final answer
   x = 92,216.52