Finding the Fourth Proportional to 16,411.69, 24,599.85 and 7,960.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,411.69 : 24,599.85 = 7,960.30 : x
2. Step 2: Convert to fraction form
   16,411.69/24,599.85 = 7,960.30/x
3. Step 3: Cross multiply
   16,411.69x = 24,599.85 × 7,960.30
4. Step 4: Simplify right side
   16,411.69x = 195,822,124.46
5. Step 5: Solve for x
   x = 195,822,124.46/16,411.69
6. Step 6: Final answer
   x = 11,931.87