Finding the Fourth Proportional to 3,912.37, 5,398.54 and 2,233.68

Step by Step Solution

1. Step 1: Write the proportion equation
   3,912.37 : 5,398.54 = 2,233.68 : x
2. Step 2: Convert to fraction form
   3,912.37/5,398.54 = 2,233.68/x
3. Step 3: Cross multiply
   3,912.37x = 5,398.54 × 2,233.68
4. Step 4: Simplify right side
   3,912.37x = 12,058,610.83
5. Step 5: Solve for x
   x = 12,058,610.83/3,912.37
6. Step 6: Final answer
   x = 3,082.18