Finding the Fourth Proportional to 1,514.38, 2,089.83 and 851.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,514.38 : 2,089.83 = 851.23 : x
2. Step 2: Convert to fraction form
   1,514.38/2,089.83 = 851.23/x
3. Step 3: Cross multiply
   1,514.38x = 2,089.83 × 851.23
4. Step 4: Simplify right side
   1,514.38x = 1,778,920.04
5. Step 5: Solve for x
   x = 1,778,920.04/1,514.38
6. Step 6: Final answer
   x = 1,174.69