Finding the Fourth Proportional to 1,499.43, 2,249.60 and 677.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.43 : 2,249.60 = 677.48 : x
2. Step 2: Convert to fraction form
   1,499.43/2,249.60 = 677.48/x
3. Step 3: Cross multiply
   1,499.43x = 2,249.60 × 677.48
4. Step 4: Simplify right side
   1,499.43x = 1,524,044.37
5. Step 5: Solve for x
   x = 1,524,044.37/1,499.43
6. Step 6: Final answer
   x = 1,016.42