Finding the Fourth Proportional to 31,067.28, 42,865.47 and 17,635.59

Step by Step Solution

1. Step 1: Write the proportion equation
   31,067.28 : 42,865.47 = 17,635.59 : x
2. Step 2: Convert to fraction form
   31,067.28/42,865.47 = 17,635.59/x
3. Step 3: Cross multiply
   31,067.28x = 42,865.47 × 17,635.59
4. Step 4: Simplify right side
   31,067.28x = 755,957,854.08
5. Step 5: Solve for x
   x = 755,957,854.08/31,067.28
6. Step 6: Final answer
   x = 24,332.93