Finding the Fourth Proportional to 425,409.18, 587,068.61 and 234,429.41

Step by Step Solution

1. Step 1: Write the proportion equation
   425,409.18 : 587,068.61 = 234,429.41 : x
2. Step 2: Convert to fraction form
   425,409.18/587,068.61 = 234,429.41/x
3. Step 3: Cross multiply
   425,409.18x = 587,068.61 × 234,429.41
4. Step 4: Simplify right side
   425,409.18x = 137,626,143,764.33
5. Step 5: Solve for x
   x = 137,626,143,764.33/425,409.18
6. Step 6: Final answer
   x = 323,514.75