Finding the Fourth Proportional to 3,984.55, 5,498.80 and 2,216.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,984.55 : 5,498.80 = 2,216.27 : x
2. Step 2: Convert to fraction form
   3,984.55/5,498.80 = 2,216.27/x
3. Step 3: Cross multiply
   3,984.55x = 5,498.80 × 2,216.27
4. Step 4: Simplify right side
   3,984.55x = 12,186,833.68
5. Step 5: Solve for x
   x = 12,186,833.68/3,984.55
6. Step 6: Final answer
   x = 3,058.52