Finding the Fourth Proportional to 16,145.02, 22,276.20 and 9,426.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,145.02 : 22,276.20 = 9,426.82 : x
2. Step 2: Convert to fraction form
   16,145.02/22,276.20 = 9,426.82/x
3. Step 3: Cross multiply
   16,145.02x = 22,276.20 × 9,426.82
4. Step 4: Simplify right side
   16,145.02x = 209,993,727.68
5. Step 5: Solve for x
   x = 209,993,727.68/16,145.02
6. Step 6: Final answer
   x = 13,006.72