Finding the Fourth Proportional to 12,882.82, 19,323.30 and 3,997.92

Step by Step Solution

1. Step 1: Write the proportion equation
   12,882.82 : 19,323.30 = 3,997.92 : x
2. Step 2: Convert to fraction form
   12,882.82/19,323.30 = 3,997.92/x
3. Step 3: Cross multiply
   12,882.82x = 19,323.30 × 3,997.92
4. Step 4: Simplify right side
   12,882.82x = 77,253,007.54
5. Step 5: Solve for x
   x = 77,253,007.54/12,882.82
6. Step 6: Final answer
   x = 5,996.59