Finding the Fourth Proportional to 1,196.23, 1,650.94 and 672.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.23 : 1,650.94 = 672.25 : x
2. Step 2: Convert to fraction form
   1,196.23/1,650.94 = 672.25/x
3. Step 3: Cross multiply
   1,196.23x = 1,650.94 × 672.25
4. Step 4: Simplify right side
   1,196.23x = 1,109,844.42
5. Step 5: Solve for x
   x = 1,109,844.42/1,196.23
6. Step 6: Final answer
   x = 927.79