Finding the Fourth Proportional to 31,456.59, 43,410.97 and 17,117.29

Step by Step Solution

1. Step 1: Write the proportion equation
   31,456.59 : 43,410.97 = 17,117.29 : x
2. Step 2: Convert to fraction form
   31,456.59/43,410.97 = 17,117.29/x
3. Step 3: Cross multiply
   31,456.59x = 43,410.97 × 17,117.29
4. Step 4: Simplify right side
   31,456.59x = 743,078,162.67
5. Step 5: Solve for x
   x = 743,078,162.67/31,456.59
6. Step 6: Final answer
   x = 23,622.34