Finding the Fourth Proportional to 16,145.96, 22,281.72 and 9,072.38

Step by Step Solution

1. Step 1: Write the proportion equation
   16,145.96 : 22,281.72 = 9,072.38 : x
2. Step 2: Convert to fraction form
   16,145.96/22,281.72 = 9,072.38/x
3. Step 3: Cross multiply
   16,145.96x = 22,281.72 × 9,072.38
4. Step 4: Simplify right side
   16,145.96x = 202,148,230.89
5. Step 5: Solve for x
   x = 202,148,230.89/16,145.96
6. Step 6: Final answer
   x = 12,520.05