Finding the Fourth Proportional to 16,019.61, 22,107.50 and 8,946.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,019.61 : 22,107.50 = 8,946.48 : x
2. Step 2: Convert to fraction form
   16,019.61/22,107.50 = 8,946.48/x
3. Step 3: Cross multiply
   16,019.61x = 22,107.50 × 8,946.48
4. Step 4: Simplify right side
   16,019.61x = 197,784,306.60
5. Step 5: Solve for x
   x = 197,784,306.60/16,019.61
6. Step 6: Final answer
   x = 12,346.39