Finding the Fourth Proportional to 31,057.57, 42,859.97 and 17,629.24

Step by Step Solution

1. Step 1: Write the proportion equation
   31,057.57 : 42,859.97 = 17,629.24 : x
2. Step 2: Convert to fraction form
   31,057.57/42,859.97 = 17,629.24/x
3. Step 3: Cross multiply
   31,057.57x = 42,859.97 × 17,629.24
4. Step 4: Simplify right side
   31,057.57x = 755,588,609.38
5. Step 5: Solve for x
   x = 755,588,609.38/31,057.57
6. Step 6: Final answer
   x = 24,328.65