Finding the Fourth Proportional to 3,976.72, 5,487.78 and 2,208.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,976.72 : 5,487.78 = 2,208.04 : x
2. Step 2: Convert to fraction form
   3,976.72/5,487.78 = 2,208.04/x
3. Step 3: Cross multiply
   3,976.72x = 5,487.78 × 2,208.04
4. Step 4: Simplify right side
   3,976.72x = 12,117,237.75
5. Step 5: Solve for x
   x = 12,117,237.75/3,976.72
6. Step 6: Final answer
   x = 3,047.04