Finding the Fourth Proportional to 397,499.50, 548,549.31 and 227,832.04

Step by Step Solution

1. Step 1: Write the proportion equation
   397,499.50 : 548,549.31 = 227,832.04 : x
2. Step 2: Convert to fraction form
   397,499.50/548,549.31 = 227,832.04/x
3. Step 3: Cross multiply
   397,499.50x = 548,549.31 × 227,832.04
4. Step 4: Simplify right side
   397,499.50x = 124,977,108,337.89
5. Step 5: Solve for x
   x = 124,977,108,337.89/397,499.50
6. Step 6: Final answer
   x = 314,408.22