Finding the Fourth Proportional to 2,429.09, 3,643.32 and 674.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.09 : 3,643.32 = 674.22 : x
2. Step 2: Convert to fraction form
   2,429.09/3,643.32 = 674.22/x
3. Step 3: Cross multiply
   2,429.09x = 3,643.32 × 674.22
4. Step 4: Simplify right side
   2,429.09x = 2,456,399.21
5. Step 5: Solve for x
   x = 2,456,399.21/2,429.09
6. Step 6: Final answer
   x = 1,011.24