Finding the Fourth Proportional to 3,984.42, 5,498.46 and 2,216.00

Step by Step Solution

1. Step 1: Write the proportion equation
   3,984.42 : 5,498.46 = 2,216.00 : x
2. Step 2: Convert to fraction form
   3,984.42/5,498.46 = 2,216.00/x
3. Step 3: Cross multiply
   3,984.42x = 5,498.46 × 2,216.00
4. Step 4: Simplify right side
   3,984.42x = 12,184,559.87
5. Step 5: Solve for x
   x = 12,184,559.87/3,984.42
6. Step 6: Final answer
   x = 3,058.05