Finding the Fourth Proportional to 12,463.98, 17,188.38 and 9,626.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,463.98 : 17,188.38 = 9,626.82 : x
2. Step 2: Convert to fraction form
   12,463.98/17,188.38 = 9,626.82/x
3. Step 3: Cross multiply
   12,463.98x = 17,188.38 × 9,626.82
4. Step 4: Simplify right side
   12,463.98x = 165,469,440.35
5. Step 5: Solve for x
   x = 165,469,440.35/12,463.98
6. Step 6: Final answer
   x = 13,275.81