Finding the Fourth Proportional to 2,165.82, 3,243.69 and 1,433.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,165.82 : 3,243.69 = 1,433.28 : x
2. Step 2: Convert to fraction form
   2,165.82/3,243.69 = 1,433.28/x
3. Step 3: Cross multiply
   2,165.82x = 3,243.69 × 1,433.28
4. Step 4: Simplify right side
   2,165.82x = 4,649,116.00
5. Step 5: Solve for x
   x = 4,649,116.00/2,165.82
6. Step 6: Final answer
   x = 2,146.58