Finding the Fourth Proportional to 2,233.71, 3,082.56 and 1,239.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,233.71 : 3,082.56 = 1,239.03 : x
2. Step 2: Convert to fraction form
   2,233.71/3,082.56 = 1,239.03/x
3. Step 3: Cross multiply
   2,233.71x = 3,082.56 × 1,239.03
4. Step 4: Simplify right side
   2,233.71x = 3,819,384.32
5. Step 5: Solve for x
   x = 3,819,384.32/2,233.71
6. Step 6: Final answer
   x = 1,709.88