Finding the Fourth Proportional to 404,042.15, 557,454.61 and 234,242.39

Step by Step Solution

1. Step 1: Write the proportion equation
   404,042.15 : 557,454.61 = 234,242.39 : x
2. Step 2: Convert to fraction form
   404,042.15/557,454.61 = 234,242.39/x
3. Step 3: Cross multiply
   404,042.15x = 557,454.61 × 234,242.39
4. Step 4: Simplify right side
   404,042.15x = 130,579,500,162.92
5. Step 5: Solve for x
   x = 130,579,500,162.92/404,042.15
6. Step 6: Final answer
   x = 323,182.87