Finding the Fourth Proportional to 31,171.72, 43,016.30 and 17,024.62

Step by Step Solution

1. Step 1: Write the proportion equation
   31,171.72 : 43,016.30 = 17,024.62 : x
2. Step 2: Convert to fraction form
   31,171.72/43,016.30 = 17,024.62/x
3. Step 3: Cross multiply
   31,171.72x = 43,016.30 × 17,024.62
4. Step 4: Simplify right side
   31,171.72x = 732,336,161.31
5. Step 5: Solve for x
   x = 732,336,161.31/31,171.72
6. Step 6: Final answer
   x = 23,493.61