Finding the Fourth Proportional to 2,233.39, 3,081.81 and 1,238.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,233.39 : 3,081.81 = 1,238.68 : x
2. Step 2: Convert to fraction form
   2,233.39/3,081.81 = 1,238.68/x
3. Step 3: Cross multiply
   2,233.39x = 3,081.81 × 1,238.68
4. Step 4: Simplify right side
   2,233.39x = 3,817,376.41
5. Step 5: Solve for x
   x = 3,817,376.41/2,233.39
6. Step 6: Final answer
   x = 1,709.23