Finding the Fourth Proportional to 1,499.75, 2,249.52 and 459.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.75 : 2,249.52 = 459.73 : x
2. Step 2: Convert to fraction form
   1,499.75/2,249.52 = 459.73/x
3. Step 3: Cross multiply
   1,499.75x = 2,249.52 × 459.73
4. Step 4: Simplify right side
   1,499.75x = 1,034,171.83
5. Step 5: Solve for x
   x = 1,034,171.83/1,499.75
6. Step 6: Final answer
   x = 689.56