Finding the Fourth Proportional to 31,169.31, 43,013.33 and 17,022.15

Step by Step Solution

1. Step 1: Write the proportion equation
   31,169.31 : 43,013.33 = 17,022.15 : x
2. Step 2: Convert to fraction form
   31,169.31/43,013.33 = 17,022.15/x
3. Step 3: Cross multiply
   31,169.31x = 43,013.33 × 17,022.15
4. Step 4: Simplify right side
   31,169.31x = 732,179,333.98
5. Step 5: Solve for x
   x = 732,179,333.98/31,169.31
6. Step 6: Final answer
   x = 23,490.40