Finding the Fourth Proportional to 1,518.91, 2,096.04 and 855.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,518.91 : 2,096.04 = 855.72 : x
2. Step 2: Convert to fraction form
   1,518.91/2,096.04 = 855.72/x
3. Step 3: Cross multiply
   1,518.91x = 2,096.04 × 855.72
4. Step 4: Simplify right side
   1,518.91x = 1,793,623.35
5. Step 5: Solve for x
   x = 1,793,623.35/1,518.91
6. Step 6: Final answer
   x = 1,180.86