Finding the Fourth Proportional to 31,284.24, 43,171.81 and 17,137.18

Step by Step Solution

1. Step 1: Write the proportion equation
   31,284.24 : 43,171.81 = 17,137.18 : x
2. Step 2: Convert to fraction form
   31,284.24/43,171.81 = 17,137.18/x
3. Step 3: Cross multiply
   31,284.24x = 43,171.81 × 17,137.18
4. Step 4: Simplify right side
   31,284.24x = 739,843,078.90
5. Step 5: Solve for x
   x = 739,843,078.90/31,284.24
6. Step 6: Final answer
   x = 23,649.07