Finding the Fourth Proportional to 1,096.80, 1,513.50 and 677.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096.80 : 1,513.50 = 677.04 : x
2. Step 2: Convert to fraction form
   1,096.80/1,513.50 = 677.04/x
3. Step 3: Cross multiply
   1,096.80x = 1,513.50 × 677.04
4. Step 4: Simplify right side
   1,096.80x = 1,024,700.04
5. Step 5: Solve for x
   x = 1,024,700.04/1,096.80
6. Step 6: Final answer
   x = 934.26