Finding the Fourth Proportional to 3,949.22, 5,446.41 and 2,550.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,949.22 : 5,446.41 = 2,550.50 : x
2. Step 2: Convert to fraction form
   3,949.22/5,446.41 = 2,550.50/x
3. Step 3: Cross multiply
   3,949.22x = 5,446.41 × 2,550.50
4. Step 4: Simplify right side
   3,949.22x = 13,891,068.71
5. Step 5: Solve for x
   x = 13,891,068.71/3,949.22
6. Step 6: Final answer
   x = 3,517.42