Finding the Fourth Proportional to 2,229.67, 3,076.80 and 1,234.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,229.67 : 3,076.80 = 1,234.88 : x
2. Step 2: Convert to fraction form
   2,229.67/3,076.80 = 1,234.88/x
3. Step 3: Cross multiply
   2,229.67x = 3,076.80 × 1,234.88
4. Step 4: Simplify right side
   2,229.67x = 3,799,478.78
5. Step 5: Solve for x
   x = 3,799,478.78/2,229.67
6. Step 6: Final answer
   x = 1,704.05