Finding the Fourth Proportional to 3,998.24, 5,517.37 and 2,229.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,998.24 : 5,517.37 = 2,229.52 : x
2. Step 2: Convert to fraction form
   3,998.24/5,517.37 = 2,229.52/x
3. Step 3: Cross multiply
   3,998.24x = 5,517.37 × 2,229.52
4. Step 4: Simplify right side
   3,998.24x = 12,301,086.76
5. Step 5: Solve for x
   x = 12,301,086.76/3,998.24
6. Step 6: Final answer
   x = 3,076.63