Finding the Fourth Proportional to 31,067.46, 42,873.03 and 16,920.27

Step by Step Solution

1. Step 1: Write the proportion equation
   31,067.46 : 42,873.03 = 16,920.27 : x
2. Step 2: Convert to fraction form
   31,067.46/42,873.03 = 16,920.27/x
3. Step 3: Cross multiply
   31,067.46x = 42,873.03 × 16,920.27
4. Step 4: Simplify right side
   31,067.46x = 725,423,243.32
5. Step 5: Solve for x
   x = 725,423,243.32/31,067.46
6. Step 6: Final answer
   x = 23,349.94