Finding the Fourth Proportional to 16,019.76, 22,107.42 and 8,946.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,019.76 : 22,107.42 = 8,946.30 : x
2. Step 2: Convert to fraction form
   16,019.76/22,107.42 = 8,946.30/x
3. Step 3: Cross multiply
   16,019.76x = 22,107.42 × 8,946.30
4. Step 4: Simplify right side
   16,019.76x = 197,779,611.55
5. Step 5: Solve for x
   x = 197,779,611.55/16,019.76
6. Step 6: Final answer
   x = 12,345.98