Finding the Fourth Proportional to 2,233.89, 3,082.32 and 1,239.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,233.89 : 3,082.32 = 1,239.03 : x
2. Step 2: Convert to fraction form
   2,233.89/3,082.32 = 1,239.03/x
3. Step 3: Cross multiply
   2,233.89x = 3,082.32 × 1,239.03
4. Step 4: Simplify right side
   2,233.89x = 3,819,086.95
5. Step 5: Solve for x
   x = 3,819,086.95/2,233.89
6. Step 6: Final answer
   x = 1,709.61