Finding the Fourth Proportional to 3,949.06, 5,449.79 and 2,554.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,949.06 : 5,449.79 = 2,554.24 : x
2. Step 2: Convert to fraction form
   3,949.06/5,449.79 = 2,554.24/x
3. Step 3: Cross multiply
   3,949.06x = 5,449.79 × 2,554.24
4. Step 4: Simplify right side
   3,949.06x = 13,920,071.61
5. Step 5: Solve for x
   x = 13,920,071.61/3,949.06
6. Step 6: Final answer
   x = 3,524.91