Finding the Fourth Proportional to 12,468.24, 17,205.72 and 6,879.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,468.24 : 17,205.72 = 6,879.12 : x
2. Step 2: Convert to fraction form
   12,468.24/17,205.72 = 6,879.12/x
3. Step 3: Cross multiply
   12,468.24x = 17,205.72 × 6,879.12
4. Step 4: Simplify right side
   12,468.24x = 118,360,212.57
5. Step 5: Solve for x
   x = 118,360,212.57/12,468.24
6. Step 6: Final answer
   x = 9,492.94