Finding the Fourth Proportional to 1,518.67, 2,095.57 and 855.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,518.67 : 2,095.57 = 855.52 : x
2. Step 2: Convert to fraction form
   1,518.67/2,095.57 = 855.52/x
3. Step 3: Cross multiply
   1,518.67x = 2,095.57 × 855.52
4. Step 4: Simplify right side
   1,518.67x = 1,792,802.05
5. Step 5: Solve for x
   x = 1,792,802.05/1,518.67
6. Step 6: Final answer
   x = 1,180.51