Finding the Fourth Proportional to 2,764.82, 4,147.18 and 684.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,764.82 : 4,147.18 = 684.82 : x
2. Step 2: Convert to fraction form
   2,764.82/4,147.18 = 684.82/x
3. Step 3: Cross multiply
   2,764.82x = 4,147.18 × 684.82
4. Step 4: Simplify right side
   2,764.82x = 2,840,086.94
5. Step 5: Solve for x
   x = 2,840,086.94/2,764.82
6. Step 6: Final answer
   x = 1,027.22