Finding the Fourth Proportional to 1,514.59, 2,090.09 and 851.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,514.59 : 2,090.09 = 851.42 : x
2. Step 2: Convert to fraction form
   1,514.59/2,090.09 = 851.42/x
3. Step 3: Cross multiply
   1,514.59x = 2,090.09 × 851.42
4. Step 4: Simplify right side
   1,514.59x = 1,779,551.78
5. Step 5: Solve for x
   x = 1,779,551.78/1,514.59
6. Step 6: Final answer
   x = 1,174.94