Finding the Fourth Proportional to 3,982.72, 5,496.16 and 2,214.36

Step by Step Solution

1. Step 1: Write the proportion equation
   3,982.72 : 5,496.16 = 2,214.36 : x
2. Step 2: Convert to fraction form
   3,982.72/5,496.16 = 2,214.36/x
3. Step 3: Cross multiply
   3,982.72x = 5,496.16 × 2,214.36
4. Step 4: Simplify right side
   3,982.72x = 12,170,476.86
5. Step 5: Solve for x
   x = 12,170,476.86/3,982.72
6. Step 6: Final answer
   x = 3,055.82