Finding the Fourth Proportional to 16,411.50, 24,596.16 and 7,981.86

Step by Step Solution

1. Step 1: Write the proportion equation
   16,411.50 : 24,596.16 = 7,981.86 : x
2. Step 2: Convert to fraction form
   16,411.50/24,596.16 = 7,981.86/x
3. Step 3: Cross multiply
   16,411.50x = 24,596.16 × 7,981.86
4. Step 4: Simplify right side
   16,411.50x = 196,323,105.66
5. Step 5: Solve for x
   x = 196,323,105.66/16,411.50
6. Step 6: Final answer
   x = 11,962.53