Finding the Fourth Proportional to 861,410.52, 1,188,757.89 and 474,271.02

Step by Step Solution

1. Step 1: Write the proportion equation
   861,410.52 : 1,188,757.89 = 474,271.02 : x
2. Step 2: Convert to fraction form
   861,410.52/1,188,757.89 = 474,271.02/x
3. Step 3: Cross multiply
   861,410.52x = 1,188,757.89 × 474,271.02
4. Step 4: Simplify right side
   861,410.52x = 563,793,417,023.35
5. Step 5: Solve for x
   x = 563,793,417,023.35/861,410.52
6. Step 6: Final answer
   x = 654,500.27