Finding the Fourth Proportional to 12,796.94, 17,661.15 and 7,496.21

Step by Step Solution

1. Step 1: Write the proportion equation
   12,796.94 : 17,661.15 = 7,496.21 : x
2. Step 2: Convert to fraction form
   12,796.94/17,661.15 = 7,496.21/x
3. Step 3: Cross multiply
   12,796.94x = 17,661.15 × 7,496.21
4. Step 4: Simplify right side
   12,796.94x = 132,391,600.94
5. Step 5: Solve for x
   x = 132,391,600.94/12,796.94
6. Step 6: Final answer
   x = 10,345.57