Finding the Fourth Proportional to 2,233.56, 3,082.29 and 1,238.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,233.56 : 3,082.29 = 1,238.82 : x
2. Step 2: Convert to fraction form
   2,233.56/3,082.29 = 1,238.82/x
3. Step 3: Cross multiply
   2,233.56x = 3,082.29 × 1,238.82
4. Step 4: Simplify right side
   2,233.56x = 3,818,402.50
5. Step 5: Solve for x
   x = 3,818,402.50/2,233.56
6. Step 6: Final answer
   x = 1,709.56