Finding the Fourth Proportional to 16,105.09, 24,165.27 and 7,780.44

Step by Step Solution

1. Step 1: Write the proportion equation
   16,105.09 : 24,165.27 = 7,780.44 : x
2. Step 2: Convert to fraction form
   16,105.09/24,165.27 = 7,780.44/x
3. Step 3: Cross multiply
   16,105.09x = 24,165.27 × 7,780.44
4. Step 4: Simplify right side
   16,105.09x = 188,016,433.32
5. Step 5: Solve for x
   x = 188,016,433.32/16,105.09
6. Step 6: Final answer
   x = 11,674.35