Finding the Fourth Proportional to 16,012.68, 22,096.57 and 8,939.55

Step by Step Solution

1. Step 1: Write the proportion equation
   16,012.68 : 22,096.57 = 8,939.55 : x
2. Step 2: Convert to fraction form
   16,012.68/22,096.57 = 8,939.55/x
3. Step 3: Cross multiply
   16,012.68x = 22,096.57 × 8,939.55
4. Step 4: Simplify right side
   16,012.68x = 197,533,392.34
5. Step 5: Solve for x
   x = 197,533,392.34/16,012.68
6. Step 6: Final answer
   x = 12,336.06