Finding the Fourth Proportional to 1,499.76, 2,249.64 and 404.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.76 : 2,249.64 = 404.03 : x
2. Step 2: Convert to fraction form
   1,499.76/2,249.64 = 404.03/x
3. Step 3: Cross multiply
   1,499.76x = 2,249.64 × 404.03
4. Step 4: Simplify right side
   1,499.76x = 908,927.67
5. Step 5: Solve for x
   x = 908,927.67/1,499.76
6. Step 6: Final answer
   x = 606.05