Finding the Fourth Proportional to 31,861.71, 43,968.01 and 17,521.42

Step by Step Solution

1. Step 1: Write the proportion equation
   31,861.71 : 43,968.01 = 17,521.42 : x
2. Step 2: Convert to fraction form
   31,861.71/43,968.01 = 17,521.42/x
3. Step 3: Cross multiply
   31,861.71x = 43,968.01 × 17,521.42
4. Step 4: Simplify right side
   31,861.71x = 770,381,662.33
5. Step 5: Solve for x
   x = 770,381,662.33/31,861.71
6. Step 6: Final answer
   x = 24,178.92