Finding the Fourth Proportional to 1,514.50, 2,090.22 and 851.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,514.50 : 2,090.22 = 851.40 : x
2. Step 2: Convert to fraction form
   1,514.50/2,090.22 = 851.40/x
3. Step 3: Cross multiply
   1,514.50x = 2,090.22 × 851.40
4. Step 4: Simplify right side
   1,514.50x = 1,779,613.31
5. Step 5: Solve for x
   x = 1,779,613.31/1,514.50
6. Step 6: Final answer
   x = 1,175.05