Finding the Fourth Proportional to 2,233.22, 3,081.77 and 1,238.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,233.22 : 3,081.77 = 1,238.50 : x
2. Step 2: Convert to fraction form
   2,233.22/3,081.77 = 1,238.50/x
3. Step 3: Cross multiply
   2,233.22x = 3,081.77 × 1,238.50
4. Step 4: Simplify right side
   2,233.22x = 3,816,772.15
5. Step 5: Solve for x
   x = 3,816,772.15/2,233.22
6. Step 6: Final answer
   x = 1,709.09