Finding the Fourth Proportional to 3,984.37, 5,498.32 and 2,216.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,984.37 : 5,498.32 = 2,216.04 : x
2. Step 2: Convert to fraction form
   3,984.37/5,498.32 = 2,216.04/x
3. Step 3: Cross multiply
   3,984.37x = 5,498.32 × 2,216.04
4. Step 4: Simplify right side
   3,984.37x = 12,184,497.05
5. Step 5: Solve for x
   x = 12,184,497.05/3,984.37
6. Step 6: Final answer
   x = 3,058.07