Finding the Fourth Proportional to 54,647.27, 81,843.32 and 42,067.47

Step by Step Solution

1. Step 1: Write the proportion equation
   54,647.27 : 81,843.32 = 42,067.47 : x
2. Step 2: Convert to fraction form
   54,647.27/81,843.32 = 42,067.47/x
3. Step 3: Cross multiply
   54,647.27x = 81,843.32 × 42,067.47
4. Step 4: Simplify right side
   54,647.27x = 3,442,941,198.46
5. Step 5: Solve for x
   x = 3,442,941,198.46/54,647.27
6. Step 6: Final answer
   x = 63,002.99