Finding the Fourth Proportional to 3,912.77, 5,399.75 and 2,233.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,912.77 : 5,399.75 = 2,233.82 : x
2. Step 2: Convert to fraction form
   3,912.77/5,399.75 = 2,233.82/x
3. Step 3: Cross multiply
   3,912.77x = 5,399.75 × 2,233.82
4. Step 4: Simplify right side
   3,912.77x = 12,062,054.59
5. Step 5: Solve for x
   x = 12,062,054.59/3,912.77
6. Step 6: Final answer
   x = 3,082.74