Finding the Fourth Proportional to 2,448.72, 3,673.42 and 805.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,448.72 : 3,673.42 = 805.38 : x
2. Step 2: Convert to fraction form
   2,448.72/3,673.42 = 805.38/x
3. Step 3: Cross multiply
   2,448.72x = 3,673.42 × 805.38
4. Step 4: Simplify right side
   2,448.72x = 2,958,499.00
5. Step 5: Solve for x
   x = 2,958,499.00/2,448.72
6. Step 6: Final answer
   x = 1,208.18