Finding the Fourth Proportional to 2,229.49, 3,076.79 and 1,234.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,229.49 : 3,076.79 = 1,234.69 : x
2. Step 2: Convert to fraction form
   2,229.49/3,076.79 = 1,234.69/x
3. Step 3: Cross multiply
   2,229.49x = 3,076.79 × 1,234.69
4. Step 4: Simplify right side
   2,229.49x = 3,798,875.67
5. Step 5: Solve for x
   x = 3,798,875.67/2,229.49
6. Step 6: Final answer
   x = 1,703.92