Finding the Fourth Proportional to 1,518.42, 2,095.50 and 855.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,518.42 : 2,095.50 = 855.33 : x
2. Step 2: Convert to fraction form
   1,518.42/2,095.50 = 855.33/x
3. Step 3: Cross multiply
   1,518.42x = 2,095.50 × 855.33
4. Step 4: Simplify right side
   1,518.42x = 1,792,344.02
5. Step 5: Solve for x
   x = 1,792,344.02/1,518.42
6. Step 6: Final answer
   x = 1,180.40