Finding the Fourth Proportional to 1,499.71, 2,249.40 and 404.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.71 : 2,249.40 = 404.18 : x
2. Step 2: Convert to fraction form
   1,499.71/2,249.40 = 404.18/x
3. Step 3: Cross multiply
   1,499.71x = 2,249.40 × 404.18
4. Step 4: Simplify right side
   1,499.71x = 909,168.12
5. Step 5: Solve for x
   x = 909,168.12/1,499.71
6. Step 6: Final answer
   x = 606.23