Finding the Fourth Proportional to 12,469.24, 17,206.77 and 7,160.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,469.24 : 17,206.77 = 7,160.32 : x
2. Step 2: Convert to fraction form
   12,469.24/17,206.77 = 7,160.32/x
3. Step 3: Cross multiply
   12,469.24x = 17,206.77 × 7,160.32
4. Step 4: Simplify right side
   12,469.24x = 123,205,979.37
5. Step 5: Solve for x
   x = 123,205,979.37/12,469.24
6. Step 6: Final answer
   x = 9,880.79