Finding the Fourth Proportional to 1,517.42, 2,094.03 and 854.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,517.42 : 2,094.03 = 854.28 : x
2. Step 2: Convert to fraction form
   1,517.42/2,094.03 = 854.28/x
3. Step 3: Cross multiply
   1,517.42x = 2,094.03 × 854.28
4. Step 4: Simplify right side
   1,517.42x = 1,788,886.53
5. Step 5: Solve for x
   x = 1,788,886.53/1,517.42
6. Step 6: Final answer
   x = 1,178.90