Finding the Fourth Proportional to 2,238.49, 3,358.49 and 1,142.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.49 : 3,358.49 = 1,142.56 : x
2. Step 2: Convert to fraction form
   2,238.49/3,358.49 = 1,142.56/x
3. Step 3: Cross multiply
   2,238.49x = 3,358.49 × 1,142.56
4. Step 4: Simplify right side
   2,238.49x = 3,837,276.33
5. Step 5: Solve for x
   x = 3,837,276.33/2,238.49
6. Step 6: Final answer
   x = 1,714.23