Finding the Fourth Proportional to 31,708.63, 43,757.82 and 17,561.48

Step by Step Solution

1. Step 1: Write the proportion equation
   31,708.63 : 43,757.82 = 17,561.48 : x
2. Step 2: Convert to fraction form
   31,708.63/43,757.82 = 17,561.48/x
3. Step 3: Cross multiply
   31,708.63x = 43,757.82 × 17,561.48
4. Step 4: Simplify right side
   31,708.63x = 768,451,861.98
5. Step 5: Solve for x
   x = 768,451,861.98/31,708.63
6. Step 6: Final answer
   x = 24,234.79