Finding the Fourth Proportional to 16,019.90, 22,107.44 and 8,946.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,019.90 : 22,107.44 = 8,946.32 : x
2. Step 2: Convert to fraction form
   16,019.90/22,107.44 = 8,946.32/x
3. Step 3: Cross multiply
   16,019.90x = 22,107.44 × 8,946.32
4. Step 4: Simplify right side
   16,019.90x = 197,780,187.89
5. Step 5: Solve for x
   x = 197,780,187.89/16,019.90
6. Step 6: Final answer
   x = 12,345.91