Finding the Fourth Proportional to 1,499.93, 2,249.93 and 404.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.93 : 2,249.93 = 404.31 : x
2. Step 2: Convert to fraction form
   1,499.93/2,249.93 = 404.31/x
3. Step 3: Cross multiply
   1,499.93x = 2,249.93 × 404.31
4. Step 4: Simplify right side
   1,499.93x = 909,670.21
5. Step 5: Solve for x
   x = 909,670.21/1,499.93
6. Step 6: Final answer
   x = 606.48