Finding the Fourth Proportional to 31,046.10, 42,843.12 and 18,297.27

Step by Step Solution

1. Step 1: Write the proportion equation
   31,046.10 : 42,843.12 = 18,297.27 : x
2. Step 2: Convert to fraction form
   31,046.10/42,843.12 = 18,297.27/x
3. Step 3: Cross multiply
   31,046.10x = 42,843.12 × 18,297.27
4. Step 4: Simplify right side
   31,046.10x = 783,912,134.28
5. Step 5: Solve for x
   x = 783,912,134.28/31,046.10
6. Step 6: Final answer
   x = 25,249.94