Finding the Fourth Proportional to 31,058.73, 42,859.71 and 17,629.74

Step by Step Solution

1. Step 1: Write the proportion equation
   31,058.73 : 42,859.71 = 17,629.74 : x
2. Step 2: Convert to fraction form
   31,058.73/42,859.71 = 17,629.74/x
3. Step 3: Cross multiply
   31,058.73x = 42,859.71 × 17,629.74
4. Step 4: Simplify right side
   31,058.73x = 755,605,543.78
5. Step 5: Solve for x
   x = 755,605,543.78/31,058.73
6. Step 6: Final answer
   x = 24,328.28