Finding the Fourth Proportional to 147,949.64, 221,957.27 and 42,760.61

Step by Step Solution

1. Step 1: Write the proportion equation
   147,949.64 : 221,957.27 = 42,760.61 : x
2. Step 2: Convert to fraction form
   147,949.64/221,957.27 = 42,760.61/x
3. Step 3: Cross multiply
   147,949.64x = 221,957.27 × 42,760.61
4. Step 4: Simplify right side
   147,949.64x = 9,491,026,935.55
5. Step 5: Solve for x
   x = 9,491,026,935.55/147,949.64
6. Step 6: Final answer
   x = 64,150.39