Finding the Fourth Proportional to 16,499.09, 22,769.03 and 9,425.57

Step by Step Solution

1. Step 1: Write the proportion equation
   16,499.09 : 22,769.03 = 9,425.57 : x
2. Step 2: Convert to fraction form
   16,499.09/22,769.03 = 9,425.57/x
3. Step 3: Cross multiply
   16,499.09x = 22,769.03 × 9,425.57
4. Step 4: Simplify right side
   16,499.09x = 214,610,995.82
5. Step 5: Solve for x
   x = 214,610,995.82/16,499.09
6. Step 6: Final answer
   x = 13,007.44