Finding the Fourth Proportional to 16,345.38, 22,550.55 and 9,969.77

Step by Step Solution

1. Step 1: Write the proportion equation
   16,345.38 : 22,550.55 = 9,969.77 : x
2. Step 2: Convert to fraction form
   16,345.38/22,550.55 = 9,969.77/x
3. Step 3: Cross multiply
   16,345.38x = 22,550.55 × 9,969.77
4. Step 4: Simplify right side
   16,345.38x = 224,823,796.87
5. Step 5: Solve for x
   x = 224,823,796.87/16,345.38
6. Step 6: Final answer
   x = 13,754.58