Finding the Fourth Proportional to 837,111.72, 1,155,253.67 and 474,542.61

Step by Step Solution

1. Step 1: Write the proportion equation
   837,111.72 : 1,155,253.67 = 474,542.61 : x
2. Step 2: Convert to fraction form
   837,111.72/1,155,253.67 = 474,542.61/x
3. Step 3: Cross multiply
   837,111.72x = 1,155,253.67 × 474,542.61
4. Step 4: Simplify right side
   837,111.72x = 548,217,089,401.17
5. Step 5: Solve for x
   x = 548,217,089,401.17/837,111.72
6. Step 6: Final answer
   x = 654,891.19