Finding the Fourth Proportional to 2,229.16, 3,076.42 and 1,234.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,229.16 : 3,076.42 = 1,234.48 : x
2. Step 2: Convert to fraction form
   2,229.16/3,076.42 = 1,234.48/x
3. Step 3: Cross multiply
   2,229.16x = 3,076.42 × 1,234.48
4. Step 4: Simplify right side
   2,229.16x = 3,797,778.96
5. Step 5: Solve for x
   x = 3,797,778.96/2,229.16
6. Step 6: Final answer
   x = 1,703.68