Finding the Fourth Proportional to 1,196.47, 1,651.49 and 843.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.47 : 1,651.49 = 843.31 : x
2. Step 2: Convert to fraction form
   1,196.47/1,651.49 = 843.31/x
3. Step 3: Cross multiply
   1,196.47x = 1,651.49 × 843.31
4. Step 4: Simplify right side
   1,196.47x = 1,392,718.03
5. Step 5: Solve for x
   x = 1,392,718.03/1,196.47
6. Step 6: Final answer
   x = 1,164.02