Finding the Fourth Proportional to 16,931.87, 23,366.82 and 10,217.39

Step by Step Solution

1. Step 1: Write the proportion equation
   16,931.87 : 23,366.82 = 10,217.39 : x
2. Step 2: Convert to fraction form
   16,931.87/23,366.82 = 10,217.39/x
3. Step 3: Cross multiply
   16,931.87x = 23,366.82 × 10,217.39
4. Step 4: Simplify right side
   16,931.87x = 238,747,834.48
5. Step 5: Solve for x
   x = 238,747,834.48/16,931.87
6. Step 6: Final answer
   x = 14,100.50