Finding the Fourth Proportional to 16,191.57, 24,265.47 and 8,405.85

Step by Step Solution

1. Step 1: Write the proportion equation
   16,191.57 : 24,265.47 = 8,405.85 : x
2. Step 2: Convert to fraction form
   16,191.57/24,265.47 = 8,405.85/x
3. Step 3: Cross multiply
   16,191.57x = 24,265.47 × 8,405.85
4. Step 4: Simplify right side
   16,191.57x = 203,971,901.00
5. Step 5: Solve for x
   x = 203,971,901.00/16,191.57
6. Step 6: Final answer
   x = 12,597.41