Finding the Fourth Proportional to 16,039.50, 24,069.63 and 8,649.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,039.50 : 24,069.63 = 8,649.12 : x
2. Step 2: Convert to fraction form
   16,039.50/24,069.63 = 8,649.12/x
3. Step 3: Cross multiply
   16,039.50x = 24,069.63 × 8,649.12
4. Step 4: Simplify right side
   16,039.50x = 208,181,118.23
5. Step 5: Solve for x
   x = 208,181,118.23/16,039.50
6. Step 6: Final answer
   x = 12,979.28