Finding the Fourth Proportional to 2,229.53, 3,076.68 and 1,234.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,229.53 : 3,076.68 = 1,234.78 : x
2. Step 2: Convert to fraction form
   2,229.53/3,076.68 = 1,234.78/x
3. Step 3: Cross multiply
   2,229.53x = 3,076.68 × 1,234.78
4. Step 4: Simplify right side
   2,229.53x = 3,799,019.87
5. Step 5: Solve for x
   x = 3,799,019.87/2,229.53
6. Step 6: Final answer
   x = 1,703.96