Finding the Fourth Proportional to 16,019.60, 22,107.24 and 8,946.80

Step by Step Solution

1. Step 1: Write the proportion equation
   16,019.60 : 22,107.24 = 8,946.80 : x
2. Step 2: Convert to fraction form
   16,019.60/22,107.24 = 8,946.80/x
3. Step 3: Cross multiply
   16,019.60x = 22,107.24 × 8,946.80
4. Step 4: Simplify right side
   16,019.60x = 197,789,054.83
5. Step 5: Solve for x
   x = 197,789,054.83/16,019.60
6. Step 6: Final answer
   x = 12,346.69