Finding the Fourth Proportional to 16,216.20, 22,377.60 and 10,910.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,216.20 : 22,377.60 = 10,910.16 : x
2. Step 2: Convert to fraction form
   16,216.20/22,377.60 = 10,910.16/x
3. Step 3: Cross multiply
   16,216.20x = 22,377.60 × 10,910.16
4. Step 4: Simplify right side
   16,216.20x = 244,143,196.42
5. Step 5: Solve for x
   x = 244,143,196.42/16,216.20
6. Step 6: Final answer
   x = 15,055.51