Finding the Fourth Proportional to 2,404.52, 3,606.80 and 673.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.52 : 3,606.80 = 673.20 : x
2. Step 2: Convert to fraction form
   2,404.52/3,606.80 = 673.20/x
3. Step 3: Cross multiply
   2,404.52x = 3,606.80 × 673.20
4. Step 4: Simplify right side
   2,404.52x = 2,428,097.76
5. Step 5: Solve for x
   x = 2,428,097.76/2,404.52
6. Step 6: Final answer
   x = 1,009.81