Finding the Fourth Proportional to 1,446.85, 2,168.83 and 829.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446.85 : 2,168.83 = 829.81 : x
2. Step 2: Convert to fraction form
   1,446.85/2,168.83 = 829.81/x
3. Step 3: Cross multiply
   1,446.85x = 2,168.83 × 829.81
4. Step 4: Simplify right side
   1,446.85x = 1,799,716.82
5. Step 5: Solve for x
   x = 1,799,716.82/1,446.85
6. Step 6: Final answer
   x = 1,243.89