Finding the Fourth Proportional to 2,233.35, 3,082.03 and 1,238.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,233.35 : 3,082.03 = 1,238.72 : x
2. Step 2: Convert to fraction form
   2,233.35/3,082.03 = 1,238.72/x
3. Step 3: Cross multiply
   2,233.35x = 3,082.03 × 1,238.72
4. Step 4: Simplify right side
   2,233.35x = 3,817,775.30
5. Step 5: Solve for x
   x = 3,817,775.30/2,233.35
6. Step 6: Final answer
   x = 1,709.44