Finding the Fourth Proportional to 16,280.32, 22,465.72 and 9,206.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,280.32 : 22,465.72 = 9,206.32 : x
2. Step 2: Convert to fraction form
   16,280.32/22,465.72 = 9,206.32/x
3. Step 3: Cross multiply
   16,280.32x = 22,465.72 × 9,206.32
4. Step 4: Simplify right side
   16,280.32x = 206,826,607.35
5. Step 5: Solve for x
   x = 206,826,607.35/16,280.32
6. Step 6: Final answer
   x = 12,704.09