Finding the Fourth Proportional to 1,499.73, 2,249.33 and 677.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.73 : 2,249.33 = 677.81 : x
2. Step 2: Convert to fraction form
   1,499.73/2,249.33 = 677.81/x
3. Step 3: Cross multiply
   1,499.73x = 2,249.33 × 677.81
4. Step 4: Simplify right side
   1,499.73x = 1,524,618.37
5. Step 5: Solve for x
   x = 1,524,618.37/1,499.73
6. Step 6: Final answer
   x = 1,016.60