Finding the Fourth Proportional to 16,714.35, 23,066.17 and 9,640.62

Step by Step Solution

1. Step 1: Write the proportion equation
   16,714.35 : 23,066.17 = 9,640.62 : x
2. Step 2: Convert to fraction form
   16,714.35/23,066.17 = 9,640.62/x
3. Step 3: Cross multiply
   16,714.35x = 23,066.17 × 9,640.62
4. Step 4: Simplify right side
   16,714.35x = 222,372,155.72
5. Step 5: Solve for x
   x = 222,372,155.72/16,714.35
6. Step 6: Final answer
   x = 13,304.27