Finding the Fourth Proportional to 13,682.82, 18,882.69 and 7,714.68

Step by Step Solution

1. Step 1: Write the proportion equation
   13,682.82 : 18,882.69 = 7,714.68 : x
2. Step 2: Convert to fraction form
   13,682.82/18,882.69 = 7,714.68/x
3. Step 3: Cross multiply
   13,682.82x = 18,882.69 × 7,714.68
4. Step 4: Simplify right side
   13,682.82x = 145,673,910.89
5. Step 5: Solve for x
   x = 145,673,910.89/13,682.82
6. Step 6: Final answer
   x = 10,646.48