Finding the Fourth Proportional to 5,747.83, 7,931.88 and 3,229.61

Step by Step Solution

1. Step 1: Write the proportion equation
   5,747.83 : 7,931.88 = 3,229.61 : x
2. Step 2: Convert to fraction form
   5,747.83/7,931.88 = 3,229.61/x
3. Step 3: Cross multiply
   5,747.83x = 7,931.88 × 3,229.61
4. Step 4: Simplify right side
   5,747.83x = 25,616,839.31
5. Step 5: Solve for x
   x = 25,616,839.31/5,747.83
6. Step 6: Final answer
   x = 4,456.79