Finding the Fourth Proportional to 12,797.69, 17,661.41 and 7,494.21

Step by Step Solution

1. Step 1: Write the proportion equation
   12,797.69 : 17,661.41 = 7,494.21 : x
2. Step 2: Convert to fraction form
   12,797.69/17,661.41 = 7,494.21/x
3. Step 3: Cross multiply
   12,797.69x = 17,661.41 × 7,494.21
4. Step 4: Simplify right side
   12,797.69x = 132,358,277.97
5. Step 5: Solve for x
   x = 132,358,277.97/12,797.69
6. Step 6: Final answer
   x = 10,342.36