Finding the Fourth Proportional to 1,517.55, 2,094.17 and 854.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,517.55 : 2,094.17 = 854.40 : x
2. Step 2: Convert to fraction form
   1,517.55/2,094.17 = 854.40/x
3. Step 3: Cross multiply
   1,517.55x = 2,094.17 × 854.40
4. Step 4: Simplify right side
   1,517.55x = 1,789,255.46
5. Step 5: Solve for x
   x = 1,789,255.46/1,517.55
6. Step 6: Final answer
   x = 1,179.04