Finding the Fourth Proportional to 1,518.84, 2,096.09 and 855.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,518.84 : 2,096.09 = 855.72 : x
2. Step 2: Convert to fraction form
   1,518.84/2,096.09 = 855.72/x
3. Step 3: Cross multiply
   1,518.84x = 2,096.09 × 855.72
4. Step 4: Simplify right side
   1,518.84x = 1,793,661.86
5. Step 5: Solve for x
   x = 1,793,661.86/1,518.84
6. Step 6: Final answer
   x = 1,180.94