Finding the Fourth Proportional to 1,196.38, 1,650.94 and 672.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.38 : 1,650.94 = 672.38 : x
2. Step 2: Convert to fraction form
   1,196.38/1,650.94 = 672.38/x
3. Step 3: Cross multiply
   1,196.38x = 1,650.94 × 672.38
4. Step 4: Simplify right side
   1,196.38x = 1,110,049.10
5. Step 5: Solve for x
   x = 1,110,049.10/1,196.38
6. Step 6: Final answer
   x = 927.84