Finding the Fourth Proportional to 31,662.56, 43,695.72 and 17,515.41

Step by Step Solution

1. Step 1: Write the proportion equation
   31,662.56 : 43,695.72 = 17,515.41 : x
2. Step 2: Convert to fraction form
   31,662.56/43,695.72 = 17,515.41/x
3. Step 3: Cross multiply
   31,662.56x = 43,695.72 × 17,515.41
4. Step 4: Simplify right side
   31,662.56x = 765,348,287.19
5. Step 5: Solve for x
   x = 765,348,287.19/31,662.56
6. Step 6: Final answer
   x = 24,172.03