Finding the Fourth Proportional to 3,984.74, 5,499.01 and 2,216.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,984.74 : 5,499.01 = 2,216.34 : x
2. Step 2: Convert to fraction form
   3,984.74/5,499.01 = 2,216.34/x
3. Step 3: Cross multiply
   3,984.74x = 5,499.01 × 2,216.34
4. Step 4: Simplify right side
   3,984.74x = 12,187,664.74
5. Step 5: Solve for x
   x = 12,187,664.74/3,984.74
6. Step 6: Final answer
   x = 3,058.59