Finding the Fourth Proportional to 2,233.53, 3,082.23 and 1,238.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,233.53 : 3,082.23 = 1,238.81 : x
2. Step 2: Convert to fraction form
   2,233.53/3,082.23 = 1,238.81/x
3. Step 3: Cross multiply
   2,233.53x = 3,082.23 × 1,238.81
4. Step 4: Simplify right side
   2,233.53x = 3,818,281.94
5. Step 5: Solve for x
   x = 3,818,281.94/2,233.53
6. Step 6: Final answer
   x = 1,709.53