Finding the Fourth Proportional to 2,229.59, 3,076.81 and 1,234.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,229.59 : 3,076.81 = 1,234.87 : x
2. Step 2: Convert to fraction form
   2,229.59/3,076.81 = 1,234.87/x
3. Step 3: Cross multiply
   2,229.59x = 3,076.81 × 1,234.87
4. Step 4: Simplify right side
   2,229.59x = 3,799,449.59
5. Step 5: Solve for x
   x = 3,799,449.59/2,229.59
6. Step 6: Final answer
   x = 1,704.10