Finding the Fourth Proportional to 31,169.72, 43,013.54 and 17,022.62

Step by Step Solution

1. Step 1: Write the proportion equation
   31,169.72 : 43,013.54 = 17,022.62 : x
2. Step 2: Convert to fraction form
   31,169.72/43,013.54 = 17,022.62/x
3. Step 3: Cross multiply
   31,169.72x = 43,013.54 × 17,022.62
4. Step 4: Simplify right side
   31,169.72x = 732,203,146.27
5. Step 5: Solve for x
   x = 732,203,146.27/31,169.72
6. Step 6: Final answer
   x = 23,490.85