Finding the Fourth Proportional to 2,429.32, 3,644.20 and 674.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.32 : 3,644.20 = 674.43 : x
2. Step 2: Convert to fraction form
   2,429.32/3,644.20 = 674.43/x
3. Step 3: Cross multiply
   2,429.32x = 3,644.20 × 674.43
4. Step 4: Simplify right side
   2,429.32x = 2,457,757.81
5. Step 5: Solve for x
   x = 2,457,757.81/2,429.32
6. Step 6: Final answer
   x = 1,011.71