Finding the Fourth Proportional to 1,499.67, 2,249.46 and 404.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.67 : 2,249.46 = 404.15 : x
2. Step 2: Convert to fraction form
   1,499.67/2,249.46 = 404.15/x
3. Step 3: Cross multiply
   1,499.67x = 2,249.46 × 404.15
4. Step 4: Simplify right side
   1,499.67x = 909,108.01
5. Step 5: Solve for x
   x = 909,108.01/1,499.67
6. Step 6: Final answer
   x = 606.21