Finding the Fourth Proportional to 1,499.72, 2,249.67 and 404.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.72 : 2,249.67 = 404.04 : x
2. Step 2: Convert to fraction form
   1,499.72/2,249.67 = 404.04/x
3. Step 3: Cross multiply
   1,499.72x = 2,249.67 × 404.04
4. Step 4: Simplify right side
   1,499.72x = 908,953.96
5. Step 5: Solve for x
   x = 908,953.96/1,499.72
6. Step 6: Final answer
   x = 606.08