Finding the Fourth Proportional to 16,263.50, 22,443.72 and 8,811.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,263.50 : 22,443.72 = 8,811.50 : x
2. Step 2: Convert to fraction form
   16,263.50/22,443.72 = 8,811.50/x
3. Step 3: Cross multiply
   16,263.50x = 22,443.72 × 8,811.50
4. Step 4: Simplify right side
   16,263.50x = 197,762,838.78
5. Step 5: Solve for x
   x = 197,762,838.78/16,263.50
6. Step 6: Final answer
   x = 12,159.92