Finding the Fourth Proportional to 2,065.24, 2,850.56 and 1,279.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065.24 : 2,850.56 = 1,279.96 : x
2. Step 2: Convert to fraction form
   2,065.24/2,850.56 = 1,279.96/x
3. Step 3: Cross multiply
   2,065.24x = 2,850.56 × 1,279.96
4. Step 4: Simplify right side
   2,065.24x = 3,648,602.78
5. Step 5: Solve for x
   x = 3,648,602.78/2,065.24
6. Step 6: Final answer
   x = 1,766.67