Finding the Fourth Proportional to 1,169.67, 1,613.94 and 672.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,169.67 : 1,613.94 = 672.33 : x
2. Step 2: Convert to fraction form
   1,169.67/1,613.94 = 672.33/x
3. Step 3: Cross multiply
   1,169.67x = 1,613.94 × 672.33
4. Step 4: Simplify right side
   1,169.67x = 1,085,100.28
5. Step 5: Solve for x
   x = 1,085,100.28/1,169.67
6. Step 6: Final answer
   x = 927.70