Finding the Fourth Proportional to 3,976.54, 5,487.42 and 2,208.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,976.54 : 5,487.42 = 2,208.10 : x
2. Step 2: Convert to fraction form
   3,976.54/5,487.42 = 2,208.10/x
3. Step 3: Cross multiply
   3,976.54x = 5,487.42 × 2,208.10
4. Step 4: Simplify right side
   3,976.54x = 12,116,772.10
5. Step 5: Solve for x
   x = 12,116,772.10/3,976.54
6. Step 6: Final answer
   x = 3,047.06