Finding the Fourth Proportional to 1,514.58, 2,089.86 and 851.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,514.58 : 2,089.86 = 851.34 : x
2. Step 2: Convert to fraction form
   1,514.58/2,089.86 = 851.34/x
3. Step 3: Cross multiply
   1,514.58x = 2,089.86 × 851.34
4. Step 4: Simplify right side
   1,514.58x = 1,779,181.41
5. Step 5: Solve for x
   x = 1,779,181.41/1,514.58
6. Step 6: Final answer
   x = 1,174.70