Finding the Fourth Proportional to 2,233.59, 3,082.37 and 1,238.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,233.59 : 3,082.37 = 1,238.89 : x
2. Step 2: Convert to fraction form
   2,233.59/3,082.37 = 1,238.89/x
3. Step 3: Cross multiply
   2,233.59x = 3,082.37 × 1,238.89
4. Step 4: Simplify right side
   2,233.59x = 3,818,717.37
5. Step 5: Solve for x
   x = 3,818,717.37/2,233.59
6. Step 6: Final answer
   x = 1,709.68