Finding the Fourth Proportional to 315,832.02, 435,853.89 and 172,598.10

Step by Step Solution

1. Step 1: Write the proportion equation
   315,832.02 : 435,853.89 = 172,598.10 : x
2. Step 2: Convert to fraction form
   315,832.02/435,853.89 = 172,598.10/x
3. Step 3: Cross multiply
   315,832.02x = 435,853.89 × 172,598.10
4. Step 4: Simplify right side
   315,832.02x = 75,227,553,291.61
5. Step 5: Solve for x
   x = 75,227,553,291.61/315,832.02
6. Step 6: Final answer
   x = 238,188.49