Finding the Fourth Proportional to 82,067.69, 123,116.12 and 28,029.43

Step by Step Solution

1. Step 1: Write the proportion equation
   82,067.69 : 123,116.12 = 28,029.43 : x
2. Step 2: Convert to fraction form
   82,067.69/123,116.12 = 28,029.43/x
3. Step 3: Cross multiply
   82,067.69x = 123,116.12 × 28,029.43
4. Step 4: Simplify right side
   82,067.69x = 3,450,874,786.27
5. Step 5: Solve for x
   x = 3,450,874,786.27/82,067.69
6. Step 6: Final answer
   x = 42,049.13