Finding the Fourth Proportional to 1,518.36, 2,095.31 and 855.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,518.36 : 2,095.31 = 855.32 : x
2. Step 2: Convert to fraction form
   1,518.36/2,095.31 = 855.32/x
3. Step 3: Cross multiply
   1,518.36x = 2,095.31 × 855.32
4. Step 4: Simplify right side
   1,518.36x = 1,792,145.80
5. Step 5: Solve for x
   x = 1,792,145.80/1,518.36
6. Step 6: Final answer
   x = 1,180.32