Finding the Fourth Proportional to 16,105.12, 24,164.57 and 8,319.40

Step by Step Solution

1. Step 1: Write the proportion equation
   16,105.12 : 24,164.57 = 8,319.40 : x
2. Step 2: Convert to fraction form
   16,105.12/24,164.57 = 8,319.40/x
3. Step 3: Cross multiply
   16,105.12x = 24,164.57 × 8,319.40
4. Step 4: Simplify right side
   16,105.12x = 201,034,784.07
5. Step 5: Solve for x
   x = 201,034,784.07/16,105.12
6. Step 6: Final answer
   x = 12,482.66