Finding the Fourth Proportional to 16,047.72, 22,146.84 and 8,974.62

Step by Step Solution

1. Step 1: Write the proportion equation
   16,047.72 : 22,146.84 = 8,974.62 : x
2. Step 2: Convert to fraction form
   16,047.72/22,146.84 = 8,974.62/x
3. Step 3: Cross multiply
   16,047.72x = 22,146.84 × 8,974.62
4. Step 4: Simplify right side
   16,047.72x = 198,759,473.20
5. Step 5: Solve for x
   x = 198,759,473.20/16,047.72
6. Step 6: Final answer
   x = 12,385.53