Finding the Fourth Proportional to 2,233.34, 3,081.96 and 1,238.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,233.34 : 3,081.96 = 1,238.61 : x
2. Step 2: Convert to fraction form
   2,233.34/3,081.96 = 1,238.61/x
3. Step 3: Cross multiply
   2,233.34x = 3,081.96 × 1,238.61
4. Step 4: Simplify right side
   2,233.34x = 3,817,340.28
5. Step 5: Solve for x
   x = 3,817,340.28/2,233.34
6. Step 6: Final answer
   x = 1,709.26