Finding the Fourth Proportional to 12,647.68, 17,448.15 and 7,608.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,647.68 : 17,448.15 = 7,608.94 : x
2. Step 2: Convert to fraction form
   12,647.68/17,448.15 = 7,608.94/x
3. Step 3: Cross multiply
   12,647.68x = 17,448.15 × 7,608.94
4. Step 4: Simplify right side
   12,647.68x = 132,761,926.46
5. Step 5: Solve for x
   x = 132,761,926.46/12,647.68
6. Step 6: Final answer
   x = 10,496.94