Finding the Fourth Proportional to 14,949.50, 20,630.31 and 8,665.52

Step by Step Solution

1. Step 1: Write the proportion equation
   14,949.50 : 20,630.31 = 8,665.52 : x
2. Step 2: Convert to fraction form
   14,949.50/20,630.31 = 8,665.52/x
3. Step 3: Cross multiply
   14,949.50x = 20,630.31 × 8,665.52
4. Step 4: Simplify right side
   14,949.50x = 178,772,363.91
5. Step 5: Solve for x
   x = 178,772,363.91/14,949.50
6. Step 6: Final answer
   x = 11,958.42