Finding the Fourth Proportional to 16,214.30, 22,375.43 and 9,140.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,214.30 : 22,375.43 = 9,140.72 : x
2. Step 2: Convert to fraction form
   16,214.30/22,375.43 = 9,140.72/x
3. Step 3: Cross multiply
   16,214.30x = 22,375.43 × 9,140.72
4. Step 4: Simplify right side
   16,214.30x = 204,527,585.02
5. Step 5: Solve for x
   x = 204,527,585.02/16,214.30
6. Step 6: Final answer
   x = 12,614.03