Finding the Fourth Proportional to 1,499.89, 2,249.63 and 404.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.89 : 2,249.63 = 404.32 : x
2. Step 2: Convert to fraction form
   1,499.89/2,249.63 = 404.32/x
3. Step 3: Cross multiply
   1,499.89x = 2,249.63 × 404.32
4. Step 4: Simplify right side
   1,499.89x = 909,562.76
5. Step 5: Solve for x
   x = 909,562.76/1,499.89
6. Step 6: Final answer
   x = 606.42