Finding the Fourth Proportional to 16,216.00, 22,377.20 and 9,141.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,216.00 : 22,377.20 = 9,141.96 : x
2. Step 2: Convert to fraction form
   16,216.00/22,377.20 = 9,141.96/x
3. Step 3: Cross multiply
   16,216.00x = 22,377.20 × 9,141.96
4. Step 4: Simplify right side
   16,216.00x = 204,571,535.28
5. Step 5: Solve for x
   x = 204,571,535.28/16,216.00
6. Step 6: Final answer
   x = 12,615.42