Finding the Fourth Proportional to 3,912.67, 5,399.07 and 2,233.93

Step by Step Solution

1. Step 1: Write the proportion equation
   3,912.67 : 5,399.07 = 2,233.93 : x
2. Step 2: Convert to fraction form
   3,912.67/5,399.07 = 2,233.93/x
3. Step 3: Cross multiply
   3,912.67x = 5,399.07 × 2,233.93
4. Step 4: Simplify right side
   3,912.67x = 12,061,144.45
5. Step 5: Solve for x
   x = 12,061,144.45/3,912.67
6. Step 6: Final answer
   x = 3,082.59