Finding the Fourth Proportional to 1,096.73, 1,513.80 and 677.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096.73 : 1,513.80 = 677.15 : x
2. Step 2: Convert to fraction form
   1,096.73/1,513.80 = 677.15/x
3. Step 3: Cross multiply
   1,096.73x = 1,513.80 × 677.15
4. Step 4: Simplify right side
   1,096.73x = 1,025,066.28
5. Step 5: Solve for x
   x = 1,025,066.28/1,096.73
6. Step 6: Final answer
   x = 934.66