Finding the Fourth Proportional to 1,340.82, 1,850.85 and 843.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,340.82 : 1,850.85 = 843.48 : x
2. Step 2: Convert to fraction form
   1,340.82/1,850.85 = 843.48/x
3. Step 3: Cross multiply
   1,340.82x = 1,850.85 × 843.48
4. Step 4: Simplify right side
   1,340.82x = 1,561,154.96
5. Step 5: Solve for x
   x = 1,561,154.96/1,340.82
6. Step 6: Final answer
   x = 1,164.33