Finding the Fourth Proportional to 12,355.24, 17,049.78 and 6,766.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,355.24 : 17,049.78 = 6,766.12 : x
2. Step 2: Convert to fraction form
   12,355.24/17,049.78 = 6,766.12/x
3. Step 3: Cross multiply
   12,355.24x = 17,049.78 × 6,766.12
4. Step 4: Simplify right side
   12,355.24x = 115,360,857.45
5. Step 5: Solve for x
   x = 115,360,857.45/12,355.24
6. Step 6: Final answer
   x = 9,337.00