Finding the Fourth Proportional to 3,976.81, 5,488.01 and 2,208.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,976.81 : 5,488.01 = 2,208.42 : x
2. Step 2: Convert to fraction form
   3,976.81/5,488.01 = 2,208.42/x
3. Step 3: Cross multiply
   3,976.81x = 5,488.01 × 2,208.42
4. Step 4: Simplify right side
   3,976.81x = 12,119,831.04
5. Step 5: Solve for x
   x = 12,119,831.04/3,976.81
6. Step 6: Final answer
   x = 3,047.63