Finding the Fourth Proportional to 3,976.96, 5,488.02 and 2,208.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,976.96 : 5,488.02 = 2,208.54 : x
2. Step 2: Convert to fraction form
   3,976.96/5,488.02 = 2,208.54/x
3. Step 3: Cross multiply
   3,976.96x = 5,488.02 × 2,208.54
4. Step 4: Simplify right side
   3,976.96x = 12,120,511.69
5. Step 5: Solve for x
   x = 12,120,511.69/3,976.96
6. Step 6: Final answer
   x = 3,047.68