Finding the Fourth Proportional to 12,231.55, 16,882.56 and 6,929.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,231.55 : 16,882.56 = 6,929.50 : x
2. Step 2: Convert to fraction form
   12,231.55/16,882.56 = 6,929.50/x
3. Step 3: Cross multiply
   12,231.55x = 16,882.56 × 6,929.50
4. Step 4: Simplify right side
   12,231.55x = 116,987,699.52
5. Step 5: Solve for x
   x = 116,987,699.52/12,231.55
6. Step 6: Final answer
   x = 9,564.42