Finding the Fourth Proportional to 2,229.52, 3,076.56 and 1,234.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,229.52 : 3,076.56 = 1,234.78 : x
2. Step 2: Convert to fraction form
   2,229.52/3,076.56 = 1,234.78/x
3. Step 3: Cross multiply
   2,229.52x = 3,076.56 × 1,234.78
4. Step 4: Simplify right side
   2,229.52x = 3,798,874.76
5. Step 5: Solve for x
   x = 3,798,874.76/2,229.52
6. Step 6: Final answer
   x = 1,703.90