Finding the Fourth Proportional to 31,657.72, 43,687.94 and 17,317.27

Step by Step Solution

1. Step 1: Write the proportion equation
   31,657.72 : 43,687.94 = 17,317.27 : x
2. Step 2: Convert to fraction form
   31,657.72/43,687.94 = 17,317.27/x
3. Step 3: Cross multiply
   31,657.72x = 43,687.94 × 17,317.27
4. Step 4: Simplify right side
   31,657.72x = 756,555,852.72
5. Step 5: Solve for x
   x = 756,555,852.72/31,657.72
6. Step 6: Final answer
   x = 23,897.99