Finding the Fourth Proportional to 1,085.49, 1,496.85 and 849.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,085.49 : 1,496.85 = 849.03 : x
2. Step 2: Convert to fraction form
   1,085.49/1,496.85 = 849.03/x
3. Step 3: Cross multiply
   1,085.49x = 1,496.85 × 849.03
4. Step 4: Simplify right side
   1,085.49x = 1,270,870.56
5. Step 5: Solve for x
   x = 1,270,870.56/1,085.49
6. Step 6: Final answer
   x = 1,170.78