Finding the Fourth Proportional to 1,196.26, 1,650.74 and 672.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.26 : 1,650.74 = 672.18 : x
2. Step 2: Convert to fraction form
   1,196.26/1,650.74 = 672.18/x
3. Step 3: Cross multiply
   1,196.26x = 1,650.74 × 672.18
4. Step 4: Simplify right side
   1,196.26x = 1,109,594.41
5. Step 5: Solve for x
   x = 1,109,594.41/1,196.26
6. Step 6: Final answer
   x = 927.55