Finding the Fourth Proportional to 12,646.91, 17,453.33 and 7,271.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,646.91 : 17,453.33 = 7,271.10 : x
2. Step 2: Convert to fraction form
   12,646.91/17,453.33 = 7,271.10/x
3. Step 3: Cross multiply
   12,646.91x = 17,453.33 × 7,271.10
4. Step 4: Simplify right side
   12,646.91x = 126,904,898.67
5. Step 5: Solve for x
   x = 126,904,898.67/12,646.91
6. Step 6: Final answer
   x = 10,034.46