Finding the Fourth Proportional to 2,629.96, 3,944.89 and 682.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,629.96 : 3,944.89 = 682.15 : x
2. Step 2: Convert to fraction form
   2,629.96/3,944.89 = 682.15/x
3. Step 3: Cross multiply
   2,629.96x = 3,944.89 × 682.15
4. Step 4: Simplify right side
   2,629.96x = 2,691,006.71
5. Step 5: Solve for x
   x = 2,691,006.71/2,629.96
6. Step 6: Final answer
   x = 1,023.21