Finding the Fourth Proportional to 2,663.43, 3,996.96 and 1,365.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,663.43 : 3,996.96 = 1,365.81 : x
2. Step 2: Convert to fraction form
   2,663.43/3,996.96 = 1,365.81/x
3. Step 3: Cross multiply
   2,663.43x = 3,996.96 × 1,365.81
4. Step 4: Simplify right side
   2,663.43x = 5,459,087.94
5. Step 5: Solve for x
   x = 5,459,087.94/2,663.43
6. Step 6: Final answer
   x = 2,049.65