Finding the Fourth Proportional to 2,233.08, 3,081.40 and 1,238.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,233.08 : 3,081.40 = 1,238.08 : x
2. Step 2: Convert to fraction form
   2,233.08/3,081.40 = 1,238.08/x
3. Step 3: Cross multiply
   2,233.08x = 3,081.40 × 1,238.08
4. Step 4: Simplify right side
   2,233.08x = 3,815,019.71
5. Step 5: Solve for x
   x = 3,815,019.71/2,233.08
6. Step 6: Final answer
   x = 1,708.41