Finding the Fourth Proportional to 1,514.98, 2,090.41 and 851.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,514.98 : 2,090.41 = 851.79 : x
2. Step 2: Convert to fraction form
   1,514.98/2,090.41 = 851.79/x
3. Step 3: Cross multiply
   1,514.98x = 2,090.41 × 851.79
4. Step 4: Simplify right side
   1,514.98x = 1,780,590.33
5. Step 5: Solve for x
   x = 1,780,590.33/1,514.98
6. Step 6: Final answer
   x = 1,175.32