Finding the Fourth Proportional to 2,404.24, 3,606.40 and 672.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.24 : 3,606.40 = 672.88 : x
2. Step 2: Convert to fraction form
   2,404.24/3,606.40 = 672.88/x
3. Step 3: Cross multiply
   2,404.24x = 3,606.40 × 672.88
4. Step 4: Simplify right side
   2,404.24x = 2,426,674.43
5. Step 5: Solve for x
   x = 2,426,674.43/2,404.24
6. Step 6: Final answer
   x = 1,009.33