Finding the Fourth Proportional to 3,984.97, 5,499.03 and 2,216.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,984.97 : 5,499.03 = 2,216.47 : x
2. Step 2: Convert to fraction form
   3,984.97/5,499.03 = 2,216.47/x
3. Step 3: Cross multiply
   3,984.97x = 5,499.03 × 2,216.47
4. Step 4: Simplify right side
   3,984.97x = 12,188,435.02
5. Step 5: Solve for x
   x = 12,188,435.02/3,984.97
6. Step 6: Final answer
   x = 3,058.60