Finding the Fourth Proportional to 2,234.56, 3,083.70 and 1,239.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,234.56 : 3,083.70 = 1,239.82 : x
2. Step 2: Convert to fraction form
   2,234.56/3,083.70 = 1,239.82/x
3. Step 3: Cross multiply
   2,234.56x = 3,083.70 × 1,239.82
4. Step 4: Simplify right side
   2,234.56x = 3,823,232.93
5. Step 5: Solve for x
   x = 3,823,232.93/2,234.56
6. Step 6: Final answer
   x = 1,710.96