Finding the Fourth Proportional to 2,234.34, 3,083.33 and 1,239.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,234.34 : 3,083.33 = 1,239.61 : x
2. Step 2: Convert to fraction form
   2,234.34/3,083.33 = 1,239.61/x
3. Step 3: Cross multiply
   2,234.34x = 3,083.33 × 1,239.61
4. Step 4: Simplify right side
   2,234.34x = 3,822,126.70
5. Step 5: Solve for x
   x = 3,822,126.70/2,234.34
6. Step 6: Final answer
   x = 1,710.63