Finding the Fourth Proportional to 2,233.25, 3,081.86 and 1,238.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,233.25 : 3,081.86 = 1,238.52 : x
2. Step 2: Convert to fraction form
   2,233.25/3,081.86 = 1,238.52/x
3. Step 3: Cross multiply
   2,233.25x = 3,081.86 × 1,238.52
4. Step 4: Simplify right side
   2,233.25x = 3,816,923.65
5. Step 5: Solve for x
   x = 3,816,923.65/2,233.25
6. Step 6: Final answer
   x = 1,709.14