Finding the Fourth Proportional to 2,234.25, 3,083.33 and 1,239.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,234.25 : 3,083.33 = 1,239.55 : x
2. Step 2: Convert to fraction form
   2,234.25/3,083.33 = 1,239.55/x
3. Step 3: Cross multiply
   2,234.25x = 3,083.33 × 1,239.55
4. Step 4: Simplify right side
   2,234.25x = 3,821,933.01
5. Step 5: Solve for x
   x = 3,821,933.01/2,234.25
6. Step 6: Final answer
   x = 1,710.61