Finding the Fourth Proportional to 10,682.34, 16,005.69 and 9,457.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,682.34 : 16,005.69 = 9,457.62 : x
2. Step 2: Convert to fraction form
   10,682.34/16,005.69 = 9,457.62/x
3. Step 3: Cross multiply
   10,682.34x = 16,005.69 × 9,457.62
4. Step 4: Simplify right side
   10,682.34x = 151,375,733.86
5. Step 5: Solve for x
   x = 151,375,733.86/10,682.34
6. Step 6: Final answer
   x = 14,170.65