Finding the Fourth Proportional to 404,747.88, 558,617.68 and 235,080.42

Step by Step Solution

1. Step 1: Write the proportion equation
   404,747.88 : 558,617.68 = 235,080.42 : x
2. Step 2: Convert to fraction form
   404,747.88/558,617.68 = 235,080.42/x
3. Step 3: Cross multiply
   404,747.88x = 558,617.68 × 235,080.42
4. Step 4: Simplify right side
   404,747.88x = 131,320,078,833.83
5. Step 5: Solve for x
   x = 131,320,078,833.83/404,747.88
6. Step 6: Final answer
   x = 324,449.08