Finding the Fourth Proportional to 2,238.82, 3,360.32 and 1,143.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.82 : 3,360.32 = 1,143.97 : x
2. Step 2: Convert to fraction form
   2,238.82/3,360.32 = 1,143.97/x
3. Step 3: Cross multiply
   2,238.82x = 3,360.32 × 1,143.97
4. Step 4: Simplify right side
   2,238.82x = 3,844,105.27
5. Step 5: Solve for x
   x = 3,844,105.27/2,238.82
6. Step 6: Final answer
   x = 1,717.02