Finding the Fourth Proportional to 1,517.16, 2,093.85 and 854.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,517.16 : 2,093.85 = 854.18 : x
2. Step 2: Convert to fraction form
   1,517.16/2,093.85 = 854.18/x
3. Step 3: Cross multiply
   1,517.16x = 2,093.85 × 854.18
4. Step 4: Simplify right side
   1,517.16x = 1,788,514.32
5. Step 5: Solve for x
   x = 1,788,514.32/1,517.16
6. Step 6: Final answer
   x = 1,178.86