Finding the Fourth Proportional to 12,659.27, 17,453.39 and 8,673.26

Step by Step Solution

1. Step 1: Write the proportion equation
   12,659.27 : 17,453.39 = 8,673.26 : x
2. Step 2: Convert to fraction form
   12,659.27/17,453.39 = 8,673.26/x
3. Step 3: Cross multiply
   12,659.27x = 17,453.39 × 8,673.26
4. Step 4: Simplify right side
   12,659.27x = 151,377,658.72
5. Step 5: Solve for x
   x = 151,377,658.72/12,659.27
6. Step 6: Final answer
   x = 11,957.86