Finding the Fourth Proportional to 1,514.52, 2,090.10 and 851.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,514.52 : 2,090.10 = 851.39 : x
2. Step 2: Convert to fraction form
   1,514.52/2,090.10 = 851.39/x
3. Step 3: Cross multiply
   1,514.52x = 2,090.10 × 851.39
4. Step 4: Simplify right side
   1,514.52x = 1,779,479.79
5. Step 5: Solve for x
   x = 1,779,479.79/1,514.52
6. Step 6: Final answer
   x = 1,174.95