Finding the Fourth Proportional to 3,976.49, 5,487.30 and 2,208.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,976.49 : 5,487.30 = 2,208.10 : x
2. Step 2: Convert to fraction form
   3,976.49/5,487.30 = 2,208.10/x
3. Step 3: Cross multiply
   3,976.49x = 5,487.30 × 2,208.10
4. Step 4: Simplify right side
   3,976.49x = 12,116,507.13
5. Step 5: Solve for x
   x = 12,116,507.13/3,976.49
6. Step 6: Final answer
   x = 3,047.04