Finding the Fourth Proportional to 31,067.27, 42,871.30 and 17,636.76

Step by Step Solution

1. Step 1: Write the proportion equation
   31,067.27 : 42,871.30 = 17,636.76 : x
2. Step 2: Convert to fraction form
   31,067.27/42,871.30 = 17,636.76/x
3. Step 3: Cross multiply
   31,067.27x = 42,871.30 × 17,636.76
4. Step 4: Simplify right side
   31,067.27x = 756,110,873.08
5. Step 5: Solve for x
   x = 756,110,873.08/31,067.27
6. Step 6: Final answer
   x = 24,337.86