Finding the Fourth Proportional to 1,514.92, 2,090.64 and 851.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,514.92 : 2,090.64 = 851.89 : x
2. Step 2: Convert to fraction form
   1,514.92/2,090.64 = 851.89/x
3. Step 3: Cross multiply
   1,514.92x = 2,090.64 × 851.89
4. Step 4: Simplify right side
   1,514.92x = 1,780,995.31
5. Step 5: Solve for x
   x = 1,780,995.31/1,514.92
6. Step 6: Final answer
   x = 1,175.64