Finding the Fourth Proportional to 16,499.82, 22,769.79 and 9,426.21

Step by Step Solution

1. Step 1: Write the proportion equation
   16,499.82 : 22,769.79 = 9,426.21 : x
2. Step 2: Convert to fraction form
   16,499.82/22,769.79 = 9,426.21/x
3. Step 3: Cross multiply
   16,499.82x = 22,769.79 × 9,426.21
4. Step 4: Simplify right side
   16,499.82x = 214,632,822.20
5. Step 5: Solve for x
   x = 214,632,822.20/16,499.82
6. Step 6: Final answer
   x = 13,008.19