Finding the Fourth Proportional to 3,949.57, 5,449.46 and 2,356.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,949.57 : 5,449.46 = 2,356.82 : x
2. Step 2: Convert to fraction form
   3,949.57/5,449.46 = 2,356.82/x
3. Step 3: Cross multiply
   3,949.57x = 5,449.46 × 2,356.82
4. Step 4: Simplify right side
   3,949.57x = 12,843,416.25
5. Step 5: Solve for x
   x = 12,843,416.25/3,949.57
6. Step 6: Final answer
   x = 3,251.85