Finding the Fourth Proportional to 425,477.72, 587,147.72 and 234,491.06

Step by Step Solution

1. Step 1: Write the proportion equation
   425,477.72 : 587,147.72 = 234,491.06 : x
2. Step 2: Convert to fraction form
   425,477.72/587,147.72 = 234,491.06/x
3. Step 3: Cross multiply
   425,477.72x = 587,147.72 × 234,491.06
4. Step 4: Simplify right side
   425,477.72x = 137,680,891,239.38
5. Step 5: Solve for x
   x = 137,680,891,239.38/425,477.72
6. Step 6: Final answer
   x = 323,591.31