Finding the Fourth Proportional to 1,518.83, 2,096.10 and 855.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,518.83 : 2,096.10 = 855.64 : x
2. Step 2: Convert to fraction form
   1,518.83/2,096.10 = 855.64/x
3. Step 3: Cross multiply
   1,518.83x = 2,096.10 × 855.64
4. Step 4: Simplify right side
   1,518.83x = 1,793,501.76
5. Step 5: Solve for x
   x = 1,793,501.76/1,518.83
6. Step 6: Final answer
   x = 1,180.85