Finding the Fourth Proportional to 3,976.10, 5,487.34 and 2,208.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,976.10 : 5,487.34 = 2,208.02 : x
2. Step 2: Convert to fraction form
   3,976.10/5,487.34 = 2,208.02/x
3. Step 3: Cross multiply
   3,976.10x = 5,487.34 × 2,208.02
4. Step 4: Simplify right side
   3,976.10x = 12,116,156.47
5. Step 5: Solve for x
   x = 12,116,156.47/3,976.10
6. Step 6: Final answer
   x = 3,047.25