Finding the Fourth Proportional to 2,233.63, 3,082.19 and 1,238.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,233.63 : 3,082.19 = 1,238.89 : x
2. Step 2: Convert to fraction form
   2,233.63/3,082.19 = 1,238.89/x
3. Step 3: Cross multiply
   2,233.63x = 3,082.19 × 1,238.89
4. Step 4: Simplify right side
   2,233.63x = 3,818,493.22
5. Step 5: Solve for x
   x = 3,818,493.22/2,233.63
6. Step 6: Final answer
   x = 1,709.55