Finding the Fourth Proportional to 16,789.01, 23,169.22 and 9,235.76

Step by Step Solution

1. Step 1: Write the proportion equation
   16,789.01 : 23,169.22 = 9,235.76 : x
2. Step 2: Convert to fraction form
   16,789.01/23,169.22 = 9,235.76/x
3. Step 3: Cross multiply
   16,789.01x = 23,169.22 × 9,235.76
4. Step 4: Simplify right side
   16,789.01x = 213,985,216.37
5. Step 5: Solve for x
   x = 213,985,216.37/16,789.01
6. Step 6: Final answer
   x = 12,745.56