Finding the Fourth Proportional to 12,584.39, 17,365.37 and 7,279.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,584.39 : 17,365.37 = 7,279.56 : x
2. Step 2: Convert to fraction form
   12,584.39/17,365.37 = 7,279.56/x
3. Step 3: Cross multiply
   12,584.39x = 17,365.37 × 7,279.56
4. Step 4: Simplify right side
   12,584.39x = 126,412,216.44
5. Step 5: Solve for x
   x = 126,412,216.44/12,584.39
6. Step 6: Final answer
   x = 10,045.16