Finding the Fourth Proportional to 31,662.61, 43,694.58 and 17,515.96

Step by Step Solution

1. Step 1: Write the proportion equation
   31,662.61 : 43,694.58 = 17,515.96 : x
2. Step 2: Convert to fraction form
   31,662.61/43,694.58 = 17,515.96/x
3. Step 3: Cross multiply
   31,662.61x = 43,694.58 × 17,515.96
4. Step 4: Simplify right side
   31,662.61x = 765,352,515.50
5. Step 5: Solve for x
   x = 765,352,515.50/31,662.61
6. Step 6: Final answer
   x = 24,172.12