Finding the Fourth Proportional to 31,551.36, 43,540.17 and 17,404.20

Step by Step Solution

1. Step 1: Write the proportion equation
   31,551.36 : 43,540.17 = 17,404.20 : x
2. Step 2: Convert to fraction form
   31,551.36/43,540.17 = 17,404.20/x
3. Step 3: Cross multiply
   31,551.36x = 43,540.17 × 17,404.20
4. Step 4: Simplify right side
   31,551.36x = 757,781,826.71
5. Step 5: Solve for x
   x = 757,781,826.71/31,551.36
6. Step 6: Final answer
   x = 24,017.41