Finding the Fourth Proportional to 2,233.71, 3,082.32 and 1,238.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,233.71 : 3,082.32 = 1,238.76 : x
2. Step 2: Convert to fraction form
   2,233.71/3,082.32 = 1,238.76/x
3. Step 3: Cross multiply
   2,233.71x = 3,082.32 × 1,238.76
4. Step 4: Simplify right side
   2,233.71x = 3,818,254.72
5. Step 5: Solve for x
   x = 3,818,254.72/2,233.71
6. Step 6: Final answer
   x = 1,709.38