Finding the Fourth Proportional to 16,099.61, 24,116.18 and 11,944.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,099.61 : 24,116.18 = 11,944.31 : x
2. Step 2: Convert to fraction form
   16,099.61/24,116.18 = 11,944.31/x
3. Step 3: Cross multiply
   16,099.61x = 24,116.18 × 11,944.31
4. Step 4: Simplify right side
   16,099.61x = 288,050,949.63
5. Step 5: Solve for x
   x = 288,050,949.63/16,099.61
6. Step 6: Final answer
   x = 17,891.80