Finding the Fourth Proportional to 425,443.33, 587,111.90 and 231,851.09

Step by Step Solution

1. Step 1: Write the proportion equation
   425,443.33 : 587,111.90 = 231,851.09 : x
2. Step 2: Convert to fraction form
   425,443.33/587,111.90 = 231,851.09/x
3. Step 3: Cross multiply
   425,443.33x = 587,111.90 × 231,851.09
4. Step 4: Simplify right side
   425,443.33x = 136,122,535,878.83
5. Step 5: Solve for x
   x = 136,122,535,878.83/425,443.33
6. Step 6: Final answer
   x = 319,954.57