Finding the Fourth Proportional to 1,499.42, 2,249.25 and 459.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.42 : 2,249.25 = 459.32 : x
2. Step 2: Convert to fraction form
   1,499.42/2,249.25 = 459.32/x
3. Step 3: Cross multiply
   1,499.42x = 2,249.25 × 459.32
4. Step 4: Simplify right side
   1,499.42x = 1,033,125.51
5. Step 5: Solve for x
   x = 1,033,125.51/1,499.42
6. Step 6: Final answer
   x = 689.02