Finding the Fourth Proportional to 2,233.73, 3,082.43 and 1,238.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,233.73 : 3,082.43 = 1,238.98 : x
2. Step 2: Convert to fraction form
   2,233.73/3,082.43 = 1,238.98/x
3. Step 3: Cross multiply
   2,233.73x = 3,082.43 × 1,238.98
4. Step 4: Simplify right side
   2,233.73x = 3,819,079.81
5. Step 5: Solve for x
   x = 3,819,079.81/2,233.73
6. Step 6: Final answer
   x = 1,709.73