Finding the Fourth Proportional to 2,233.25, 3,081.89 and 1,238.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,233.25 : 3,081.89 = 1,238.69 : x
2. Step 2: Convert to fraction form
   2,233.25/3,081.89 = 1,238.69/x
3. Step 3: Cross multiply
   2,233.25x = 3,081.89 × 1,238.69
4. Step 4: Simplify right side
   2,233.25x = 3,817,484.72
5. Step 5: Solve for x
   x = 3,817,484.72/2,233.25
6. Step 6: Final answer
   x = 1,709.39