Finding the Fourth Proportional to 16,234.50, 22,403.61 and 8,782.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,234.50 : 22,403.61 = 8,782.50 : x
2. Step 2: Convert to fraction form
   16,234.50/22,403.61 = 8,782.50/x
3. Step 3: Cross multiply
   16,234.50x = 22,403.61 × 8,782.50
4. Step 4: Simplify right side
   16,234.50x = 196,759,704.83
5. Step 5: Solve for x
   x = 196,759,704.83/16,234.50
6. Step 6: Final answer
   x = 12,119.85