Finding the Fourth Proportional to 2,064.76, 2,849.34 and 1,279

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064.76 : 2,849.34 = 1,279 : x
2. Step 2: Convert to fraction form
   2,064.76/2,849.34 = 1,279/x
3. Step 3: Cross multiply
   2,064.76x = 2,849.34 × 1,279
4. Step 4: Simplify right side
   2,064.76x = 3,644,305.86
5. Step 5: Solve for x
   x = 3,644,305.86/2,064.76
6. Step 6: Final answer
   x = 1,765.00