Finding the Fourth Proportional to 1,196.73, 1,650.99 and 864.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.73 : 1,650.99 = 864.42 : x
2. Step 2: Convert to fraction form
   1,196.73/1,650.99 = 864.42/x
3. Step 3: Cross multiply
   1,196.73x = 1,650.99 × 864.42
4. Step 4: Simplify right side
   1,196.73x = 1,427,148.78
5. Step 5: Solve for x
   x = 1,427,148.78/1,196.73
6. Step 6: Final answer
   x = 1,192.54