Finding the Fourth Proportional to 2,404.28, 3,606.36 and 672.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.28 : 3,606.36 = 672.86 : x
2. Step 2: Convert to fraction form
   2,404.28/3,606.36 = 672.86/x
3. Step 3: Cross multiply
   2,404.28x = 3,606.36 × 672.86
4. Step 4: Simplify right side
   2,404.28x = 2,426,575.39
5. Step 5: Solve for x
   x = 2,426,575.39/2,404.28
6. Step 6: Final answer
   x = 1,009.27