Finding the Fourth Proportional to 64,462.75, 88,957.20 and 35,780.72

Step by Step Solution

1. Step 1: Write the proportion equation
   64,462.75 : 88,957.20 = 35,780.72 : x
2. Step 2: Convert to fraction form
   64,462.75/88,957.20 = 35,780.72/x
3. Step 3: Cross multiply
   64,462.75x = 88,957.20 × 35,780.72
4. Step 4: Simplify right side
   64,462.75x = 3,182,952,665.18
5. Step 5: Solve for x
   x = 3,182,952,665.18/64,462.75
6. Step 6: Final answer
   x = 49,376.62