Finding the Fourth Proportional to 16,012.55, 22,096.40 and 8,939.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,012.55 : 22,096.40 = 8,939.42 : x
2. Step 2: Convert to fraction form
   16,012.55/22,096.40 = 8,939.42/x
3. Step 3: Cross multiply
   16,012.55x = 22,096.40 × 8,939.42
4. Step 4: Simplify right side
   16,012.55x = 197,529,000.09
5. Step 5: Solve for x
   x = 197,529,000.09/16,012.55
6. Step 6: Final answer
   x = 12,335.89