Finding the Fourth Proportional to 2,233.04, 3,081.42 and 1,238.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,233.04 : 3,081.42 = 1,238.36 : x
2. Step 2: Convert to fraction form
   2,233.04/3,081.42 = 1,238.36/x
3. Step 3: Cross multiply
   2,233.04x = 3,081.42 × 1,238.36
4. Step 4: Simplify right side
   2,233.04x = 3,815,907.27
5. Step 5: Solve for x
   x = 3,815,907.27/2,233.04
6. Step 6: Final answer
   x = 1,708.84