Finding the Fourth Proportional to 1,196.18, 1,650.90 and 672.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.18 : 1,650.90 = 672.26 : x
2. Step 2: Convert to fraction form
   1,196.18/1,650.90 = 672.26/x
3. Step 3: Cross multiply
   1,196.18x = 1,650.90 × 672.26
4. Step 4: Simplify right side
   1,196.18x = 1,109,834.03
5. Step 5: Solve for x
   x = 1,109,834.03/1,196.18
6. Step 6: Final answer
   x = 927.82