Finding the Fourth Proportional to 12,704.31, 17,532.59 and 7,668.47

Step by Step Solution

1. Step 1: Write the proportion equation
   12,704.31 : 17,532.59 = 7,668.47 : x
2. Step 2: Convert to fraction form
   12,704.31/17,532.59 = 7,668.47/x
3. Step 3: Cross multiply
   12,704.31x = 17,532.59 × 7,668.47
4. Step 4: Simplify right side
   12,704.31x = 134,448,145.93
5. Step 5: Solve for x
   x = 134,448,145.93/12,704.31
6. Step 6: Final answer
   x = 10,582.88