Finding the Fourth Proportional to 1,085.04, 1,496.88 and 774

Step by Step Solution

1. Step 1: Write the proportion equation
   1,085.04 : 1,496.88 = 774 : x
2. Step 2: Convert to fraction form
   1,085.04/1,496.88 = 774/x
3. Step 3: Cross multiply
   1,085.04x = 1,496.88 × 774
4. Step 4: Simplify right side
   1,085.04x = 1,158,585.12
5. Step 5: Solve for x
   x = 1,158,585.12/1,085.04
6. Step 6: Final answer
   x = 1,067.78