Finding the Fourth Proportional to 1,103.96, 1,522.46 and 854.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.96 : 1,522.46 = 854.48 : x
2. Step 2: Convert to fraction form
   1,103.96/1,522.46 = 854.48/x
3. Step 3: Cross multiply
   1,103.96x = 1,522.46 × 854.48
4. Step 4: Simplify right side
   1,103.96x = 1,300,907.35
5. Step 5: Solve for x
   x = 1,300,907.35/1,103.96
6. Step 6: Final answer
   x = 1,178.40