Finding the Fourth Proportional to 3,948.55, 5,449.76 and 2,377.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,948.55 : 5,449.76 = 2,377.69 : x
2. Step 2: Convert to fraction form
   3,948.55/5,449.76 = 2,377.69/x
3. Step 3: Cross multiply
   3,948.55x = 5,449.76 × 2,377.69
4. Step 4: Simplify right side
   3,948.55x = 12,957,839.85
5. Step 5: Solve for x
   x = 12,957,839.85/3,948.55
6. Step 6: Final answer
   x = 3,281.67