Finding the Fourth Proportional to 12,682.10, 17,500.86 and 7,016.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,682.10 : 17,500.86 = 7,016.76 : x
2. Step 2: Convert to fraction form
   12,682.10/17,500.86 = 7,016.76/x
3. Step 3: Cross multiply
   12,682.10x = 17,500.86 × 7,016.76
4. Step 4: Simplify right side
   12,682.10x = 122,799,334.41
5. Step 5: Solve for x
   x = 122,799,334.41/12,682.10
6. Step 6: Final answer
   x = 9,682.88