Finding the Fourth Proportional to 16,322.72, 24,480.84 and 7,999.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,322.72 : 24,480.84 = 7,999.16 : x
2. Step 2: Convert to fraction form
   16,322.72/24,480.84 = 7,999.16/x
3. Step 3: Cross multiply
   16,322.72x = 24,480.84 × 7,999.16
4. Step 4: Simplify right side
   16,322.72x = 195,826,156.09
5. Step 5: Solve for x
   x = 195,826,156.09/16,322.72
6. Step 6: Final answer
   x = 11,997.15