Finding the Fourth Proportional to 1,094.78, 1,517.04 and 1,081.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,094.78 : 1,517.04 = 1,081.42 : x
2. Step 2: Convert to fraction form
   1,094.78/1,517.04 = 1,081.42/x
3. Step 3: Cross multiply
   1,094.78x = 1,517.04 × 1,081.42
4. Step 4: Simplify right side
   1,094.78x = 1,640,557.40
5. Step 5: Solve for x
   x = 1,640,557.40/1,094.78
6. Step 6: Final answer
   x = 1,498.53