Finding the Fourth Proportional to 39,871.68, 59,814.72 and 16,500

Step by Step Solution

1. Step 1: Write the proportion equation
   39,871.68 : 59,814.72 = 16,500 : x
2. Step 2: Convert to fraction form
   39,871.68/59,814.72 = 16,500/x
3. Step 3: Cross multiply
   39,871.68x = 59,814.72 × 16,500
4. Step 4: Simplify right side
   39,871.68x = 986,942,880
5. Step 5: Solve for x
   x = 986,942,880/39,871.68
6. Step 6: Final answer
   x = 24,752.98