Finding the Fourth Proportional to 2,233.51, 3,082.11 and 1,238.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,233.51 : 3,082.11 = 1,238.73 : x
2. Step 2: Convert to fraction form
   2,233.51/3,082.11 = 1,238.73/x
3. Step 3: Cross multiply
   2,233.51x = 3,082.11 × 1,238.73
4. Step 4: Simplify right side
   2,233.51x = 3,817,885.92
5. Step 5: Solve for x
   x = 3,817,885.92/2,233.51
6. Step 6: Final answer
   x = 1,709.37