Finding the Fourth Proportional to 3,976.82, 5,487.50 and 2,208.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,976.82 : 5,487.50 = 2,208.32 : x
2. Step 2: Convert to fraction form
   3,976.82/5,487.50 = 2,208.32/x
3. Step 3: Cross multiply
   3,976.82x = 5,487.50 × 2,208.32
4. Step 4: Simplify right side
   3,976.82x = 12,118,156
5. Step 5: Solve for x
   x = 12,118,156/3,976.82
6. Step 6: Final answer
   x = 3,047.20