Finding the Fourth Proportional to 2,233.02, 3,081.48 and 1,238.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,233.02 : 3,081.48 = 1,238.28 : x
2. Step 2: Convert to fraction form
   2,233.02/3,081.48 = 1,238.28/x
3. Step 3: Cross multiply
   2,233.02x = 3,081.48 × 1,238.28
4. Step 4: Simplify right side
   2,233.02x = 3,815,735.05
5. Step 5: Solve for x
   x = 3,815,735.05/2,233.02
6. Step 6: Final answer
   x = 1,708.78