Finding the Fourth Proportional to 16,142.86, 22,277.72 and 9,069.14

Step by Step Solution

1. Step 1: Write the proportion equation
   16,142.86 : 22,277.72 = 9,069.14 : x
2. Step 2: Convert to fraction form
   16,142.86/22,277.72 = 9,069.14/x
3. Step 3: Cross multiply
   16,142.86x = 22,277.72 × 9,069.14
4. Step 4: Simplify right side
   16,142.86x = 202,039,761.56
5. Step 5: Solve for x
   x = 202,039,761.56/16,142.86
6. Step 6: Final answer
   x = 12,515.74