Finding the Fourth Proportional to 741,485.85, 1,023,210.72 and 419,176.73

Step by Step Solution

1. Step 1: Write the proportion equation
   741,485.85 : 1,023,210.72 = 419,176.73 : x
2. Step 2: Convert to fraction form
   741,485.85/1,023,210.72 = 419,176.73/x
3. Step 3: Cross multiply
   741,485.85x = 1,023,210.72 × 419,176.73
4. Step 4: Simplify right side
   741,485.85x = 428,906,123,710.55
5. Step 5: Solve for x
   x = 428,906,123,710.55/741,485.85
6. Step 6: Final answer
   x = 578,441.41