Finding the Fourth Proportional to 1,196.24, 1,650.60 and 672.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.24 : 1,650.60 = 672.28 : x
2. Step 2: Convert to fraction form
   1,196.24/1,650.60 = 672.28/x
3. Step 3: Cross multiply
   1,196.24x = 1,650.60 × 672.28
4. Step 4: Simplify right side
   1,196.24x = 1,109,665.37
5. Step 5: Solve for x
   x = 1,109,665.37/1,196.24
6. Step 6: Final answer
   x = 927.63