Finding the Fourth Proportional to 2,064.76, 2,848.98 and 1,279

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064.76 : 2,848.98 = 1,279 : x
2. Step 2: Convert to fraction form
   2,064.76/2,848.98 = 1,279/x
3. Step 3: Cross multiply
   2,064.76x = 2,848.98 × 1,279
4. Step 4: Simplify right side
   2,064.76x = 3,643,845.42
5. Step 5: Solve for x
   x = 3,643,845.42/2,064.76
6. Step 6: Final answer
   x = 1,764.78