Finding the Fourth Proportional to 2,233.17, 3,081.56 and 1,238.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,233.17 : 3,081.56 = 1,238.18 : x
2. Step 2: Convert to fraction form
   2,233.17/3,081.56 = 1,238.18/x
3. Step 3: Cross multiply
   2,233.17x = 3,081.56 × 1,238.18
4. Step 4: Simplify right side
   2,233.17x = 3,815,504.36
5. Step 5: Solve for x
   x = 3,815,504.36/2,233.17
6. Step 6: Final answer
   x = 1,708.56