Finding the Fourth Proportional to 12,705.39, 17,522.55 and 7,668.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,705.39 : 17,522.55 = 7,668.54 : x
2. Step 2: Convert to fraction form
   12,705.39/17,522.55 = 7,668.54/x
3. Step 3: Cross multiply
   12,705.39x = 17,522.55 × 7,668.54
4. Step 4: Simplify right side
   12,705.39x = 134,372,375.58
5. Step 5: Solve for x
   x = 134,372,375.58/12,705.39
6. Step 6: Final answer
   x = 10,576.01