Finding the Fourth Proportional to 64,142.72, 88,517.16 and 37,285.76

Step by Step Solution

1. Step 1: Write the proportion equation
   64,142.72 : 88,517.16 = 37,285.76 : x
2. Step 2: Convert to fraction form
   64,142.72/88,517.16 = 37,285.76/x
3. Step 3: Cross multiply
   64,142.72x = 88,517.16 × 37,285.76
4. Step 4: Simplify right side
   64,142.72x = 3,300,429,583.64
5. Step 5: Solve for x
   x = 3,300,429,583.64/64,142.72
6. Step 6: Final answer
   x = 51,454.47