Finding the Fourth Proportional to 16,776.05, 23,150.45 and 9,222.37

Step by Step Solution

1. Step 1: Write the proportion equation
   16,776.05 : 23,150.45 = 9,222.37 : x
2. Step 2: Convert to fraction form
   16,776.05/23,150.45 = 9,222.37/x
3. Step 3: Cross multiply
   16,776.05x = 23,150.45 × 9,222.37
4. Step 4: Simplify right side
   16,776.05x = 213,501,980.75
5. Step 5: Solve for x
   x = 213,501,980.75/16,776.05
6. Step 6: Final answer
   x = 12,726.60