Finding the Fourth Proportional to 16,019.84, 22,107.78 and 8,946.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,019.84 : 22,107.78 = 8,946.78 : x
2. Step 2: Convert to fraction form
   16,019.84/22,107.78 = 8,946.78/x
3. Step 3: Cross multiply
   16,019.84x = 22,107.78 × 8,946.78
4. Step 4: Simplify right side
   16,019.84x = 197,793,443.95
5. Step 5: Solve for x
   x = 197,793,443.95/16,019.84
6. Step 6: Final answer
   x = 12,346.78