Finding the Fourth Proportional to 1,518.22, 2,095.18 and 855.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,518.22 : 2,095.18 = 855.06 : x
2. Step 2: Convert to fraction form
   1,518.22/2,095.18 = 855.06/x
3. Step 3: Cross multiply
   1,518.22x = 2,095.18 × 855.06
4. Step 4: Simplify right side
   1,518.22x = 1,791,504.61
5. Step 5: Solve for x
   x = 1,791,504.61/1,518.22
6. Step 6: Final answer
   x = 1,180.00