Finding the Fourth Proportional to 1,517.67, 2,094.12 and 854.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,517.67 : 2,094.12 = 854.55 : x
2. Step 2: Convert to fraction form
   1,517.67/2,094.12 = 854.55/x
3. Step 3: Cross multiply
   1,517.67x = 2,094.12 × 854.55
4. Step 4: Simplify right side
   1,517.67x = 1,789,530.25
5. Step 5: Solve for x
   x = 1,789,530.25/1,517.67
6. Step 6: Final answer
   x = 1,179.13