Finding the Fourth Proportional to 31,715, 43,766.70 and 17,568.76

Step by Step Solution

1. Step 1: Write the proportion equation
   31,715 : 43,766.70 = 17,568.76 : x
2. Step 2: Convert to fraction form
   31,715/43,766.70 = 17,568.76/x
3. Step 3: Cross multiply
   31,715x = 43,766.70 × 17,568.76
4. Step 4: Simplify right side
   31,715x = 768,926,648.29
5. Step 5: Solve for x
   x = 768,926,648.29/31,715
6. Step 6: Final answer
   x = 24,244.89