Finding the Fourth Proportional to 1,084.88, 1,496.04 and 774.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,084.88 : 1,496.04 = 774.56 : x
2. Step 2: Convert to fraction form
   1,084.88/1,496.04 = 774.56/x
3. Step 3: Cross multiply
   1,084.88x = 1,496.04 × 774.56
4. Step 4: Simplify right side
   1,084.88x = 1,158,772.74
5. Step 5: Solve for x
   x = 1,158,772.74/1,084.88
6. Step 6: Final answer
   x = 1,068.11