Finding the Fourth Proportional to 16,463.82, 22,719.63 and 9,390.09

Step by Step Solution

1. Step 1: Write the proportion equation
   16,463.82 : 22,719.63 = 9,390.09 : x
2. Step 2: Convert to fraction form
   16,463.82/22,719.63 = 9,390.09/x
3. Step 3: Cross multiply
   16,463.82x = 22,719.63 × 9,390.09
4. Step 4: Simplify right side
   16,463.82x = 213,339,370.47
5. Step 5: Solve for x
   x = 213,339,370.47/16,463.82
6. Step 6: Final answer
   x = 12,958.07