Finding the Fourth Proportional to 3,984.88, 5,499.02 and 2,216.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,984.88 : 5,499.02 = 2,216.54 : x
2. Step 2: Convert to fraction form
   3,984.88/5,499.02 = 2,216.54/x
3. Step 3: Cross multiply
   3,984.88x = 5,499.02 × 2,216.54
4. Step 4: Simplify right side
   3,984.88x = 12,188,786.71
5. Step 5: Solve for x
   x = 12,188,786.71/3,984.88
6. Step 6: Final answer
   x = 3,058.76