Finding the Fourth Proportional to 439,100.24, 658,689.24 and 123,559.88

Step by Step Solution

1. Step 1: Write the proportion equation
   439,100.24 : 658,689.24 = 123,559.88 : x
2. Step 2: Convert to fraction form
   439,100.24/658,689.24 = 123,559.88/x
3. Step 3: Cross multiply
   439,100.24x = 658,689.24 × 123,559.88
4. Step 4: Simplify right side
   439,100.24x = 81,387,563,451.69
5. Step 5: Solve for x
   x = 81,387,563,451.69/439,100.24
6. Step 6: Final answer
   x = 185,350.76