Finding the Fourth Proportional to 1,499.88, 2,249.96 and 404.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.88 : 2,249.96 = 404.26 : x
2. Step 2: Convert to fraction form
   1,499.88/2,249.96 = 404.26/x
3. Step 3: Cross multiply
   1,499.88x = 2,249.96 × 404.26
4. Step 4: Simplify right side
   1,499.88x = 909,568.83
5. Step 5: Solve for x
   x = 909,568.83/1,499.88
6. Step 6: Final answer
   x = 606.43