Finding the Fourth Proportional to 1,169.26, 1,613.59 and 672.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,169.26 : 1,613.59 = 672.03 : x
2. Step 2: Convert to fraction form
   1,169.26/1,613.59 = 672.03/x
3. Step 3: Cross multiply
   1,169.26x = 1,613.59 × 672.03
4. Step 4: Simplify right side
   1,169.26x = 1,084,379.21
5. Step 5: Solve for x
   x = 1,084,379.21/1,169.26
6. Step 6: Final answer
   x = 927.41