Finding the Fourth Proportional to 2,234.07, 3,082.98 and 1,239.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,234.07 : 3,082.98 = 1,239.33 : x
2. Step 2: Convert to fraction form
   2,234.07/3,082.98 = 1,239.33/x
3. Step 3: Cross multiply
   2,234.07x = 3,082.98 × 1,239.33
4. Step 4: Simplify right side
   2,234.07x = 3,820,829.60
5. Step 5: Solve for x
   x = 3,820,829.60/2,234.07
6. Step 6: Final answer
   x = 1,710.26