Finding the Fourth Proportional to 411,569.55, 617,665.37 and 175,078.71

Step by Step Solution

1. Step 1: Write the proportion equation
   411,569.55 : 617,665.37 = 175,078.71 : x
2. Step 2: Convert to fraction form
   411,569.55/617,665.37 = 175,078.71/x
3. Step 3: Cross multiply
   411,569.55x = 617,665.37 × 175,078.71
4. Step 4: Simplify right side
   411,569.55x = 108,140,055,315.88
5. Step 5: Solve for x
   x = 108,140,055,315.88/411,569.55
6. Step 6: Final answer
   x = 262,750.38