Finding the Fourth Proportional to 16,528.35, 22,809.15 and 8,974.70

Step by Step Solution

1. Step 1: Write the proportion equation
   16,528.35 : 22,809.15 = 8,974.70 : x
2. Step 2: Convert to fraction form
   16,528.35/22,809.15 = 8,974.70/x
3. Step 3: Cross multiply
   16,528.35x = 22,809.15 × 8,974.70
4. Step 4: Simplify right side
   16,528.35x = 204,705,164.46
5. Step 5: Solve for x
   x = 204,705,164.46/16,528.35
6. Step 6: Final answer
   x = 12,385.09