Finding the Fourth Proportional to 8,007.43, 12,012.15 and 2,743.45

Step by Step Solution

1. Step 1: Write the proportion equation
   8,007.43 : 12,012.15 = 2,743.45 : x
2. Step 2: Convert to fraction form
   8,007.43/12,012.15 = 2,743.45/x
3. Step 3: Cross multiply
   8,007.43x = 12,012.15 × 2,743.45
4. Step 4: Simplify right side
   8,007.43x = 32,954,732.92
5. Step 5: Solve for x
   x = 32,954,732.92/8,007.43
6. Step 6: Final answer
   x = 4,115.52