Finding the Fourth Proportional to 1,340.36, 1,849.79 and 843.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,340.36 : 1,849.79 = 843.42 : x
2. Step 2: Convert to fraction form
   1,340.36/1,849.79 = 843.42/x
3. Step 3: Cross multiply
   1,340.36x = 1,849.79 × 843.42
4. Step 4: Simplify right side
   1,340.36x = 1,560,151.99
5. Step 5: Solve for x
   x = 1,560,151.99/1,340.36
6. Step 6: Final answer
   x = 1,163.98