Finding the Fourth Proportional to 16,003.32, 22,079.38 and 8,928.37

Step by Step Solution

1. Step 1: Write the proportion equation
   16,003.32 : 22,079.38 = 8,928.37 : x
2. Step 2: Convert to fraction form
   16,003.32/22,079.38 = 8,928.37/x
3. Step 3: Cross multiply
   16,003.32x = 22,079.38 × 8,928.37
4. Step 4: Simplify right side
   16,003.32x = 197,132,874.01
5. Step 5: Solve for x
   x = 197,132,874.01/16,003.32
6. Step 6: Final answer
   x = 12,318.25