Finding the Fourth Proportional to 3,984.06, 5,498.28 and 2,216.19

Step by Step Solution

1. Step 1: Write the proportion equation
   3,984.06 : 5,498.28 = 2,216.19 : x
2. Step 2: Convert to fraction form
   3,984.06/5,498.28 = 2,216.19/x
3. Step 3: Cross multiply
   3,984.06x = 5,498.28 × 2,216.19
4. Step 4: Simplify right side
   3,984.06x = 12,185,233.15
5. Step 5: Solve for x
   x = 12,185,233.15/3,984.06
6. Step 6: Final answer
   x = 3,058.50