Finding the Fourth Proportional to 64,287.38, 88,695.94 and 41,643.72

Step by Step Solution

1. Step 1: Write the proportion equation
   64,287.38 : 88,695.94 = 41,643.72 : x
2. Step 2: Convert to fraction form
   64,287.38/88,695.94 = 41,643.72/x
3. Step 3: Cross multiply
   64,287.38x = 88,695.94 × 41,643.72
4. Step 4: Simplify right side
   64,287.38x = 3,693,628,890.50
5. Step 5: Solve for x
   x = 3,693,628,890.50/64,287.38
6. Step 6: Final answer
   x = 57,454.96