Finding the Fourth Proportional to 16,111.70, 22,234.35 and 8,941.77

Step by Step Solution

1. Step 1: Write the proportion equation
   16,111.70 : 22,234.35 = 8,941.77 : x
2. Step 2: Convert to fraction form
   16,111.70/22,234.35 = 8,941.77/x
3. Step 3: Cross multiply
   16,111.70x = 22,234.35 × 8,941.77
4. Step 4: Simplify right side
   16,111.70x = 198,814,443.80
5. Step 5: Solve for x
   x = 198,814,443.80/16,111.70
6. Step 6: Final answer
   x = 12,339.76