Finding the Fourth Proportional to 12,584.18, 17,364.22 and 7,279.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,584.18 : 17,364.22 = 7,279.49 : x
2. Step 2: Convert to fraction form
   12,584.18/17,364.22 = 7,279.49/x
3. Step 3: Cross multiply
   12,584.18x = 17,364.22 × 7,279.49
4. Step 4: Simplify right side
   12,584.18x = 126,402,560.83
5. Step 5: Solve for x
   x = 126,402,560.83/12,584.18
6. Step 6: Final answer
   x = 10,044.56