Finding the Fourth Proportional to 1,517.55, 2,094.24 and 854.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,517.55 : 2,094.24 = 854.42 : x
2. Step 2: Convert to fraction form
   1,517.55/2,094.24 = 854.42/x
3. Step 3: Cross multiply
   1,517.55x = 2,094.24 × 854.42
4. Step 4: Simplify right side
   1,517.55x = 1,789,350.07
5. Step 5: Solve for x
   x = 1,789,350.07/1,517.55
6. Step 6: Final answer
   x = 1,179.10