Finding the Fourth Proportional to 404,081.74, 557,509.17 and 234,281.98

Step by Step Solution

1. Step 1: Write the proportion equation
   404,081.74 : 557,509.17 = 234,281.98 : x
2. Step 2: Convert to fraction form
   404,081.74/557,509.17 = 234,281.98/x
3. Step 3: Cross multiply
   404,081.74x = 557,509.17 × 234,281.98
4. Step 4: Simplify right side
   404,081.74x = 130,614,352,215.76
5. Step 5: Solve for x
   x = 130,614,352,215.76/404,081.74
6. Step 6: Final answer
   x = 323,237.45