Finding the Fourth Proportional to 315,200.52, 434,961.55 and 171,952.02

Step by Step Solution

1. Step 1: Write the proportion equation
   315,200.52 : 434,961.55 = 171,952.02 : x
2. Step 2: Convert to fraction form
   315,200.52/434,961.55 = 171,952.02/x
3. Step 3: Cross multiply
   315,200.52x = 434,961.55 × 171,952.02
4. Step 4: Simplify right side
   315,200.52x = 74,792,517,144.83
5. Step 5: Solve for x
   x = 74,792,517,144.83/315,200.52
6. Step 6: Final answer
   x = 237,285.51