Finding the Fourth Proportional to 3,982.86, 5,496.21 and 2,214.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,982.86 : 5,496.21 = 2,214.54 : x
2. Step 2: Convert to fraction form
   3,982.86/5,496.21 = 2,214.54/x
3. Step 3: Cross multiply
   3,982.86x = 5,496.21 × 2,214.54
4. Step 4: Simplify right side
   3,982.86x = 12,171,576.89
5. Step 5: Solve for x
   x = 12,171,576.89/3,982.86
6. Step 6: Final answer
   x = 3,055.99