Finding the Fourth Proportional to 12,791.24, 17,647.22 and 7,751.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,791.24 : 17,647.22 = 7,751.82 : x
2. Step 2: Convert to fraction form
   12,791.24/17,647.22 = 7,751.82/x
3. Step 3: Cross multiply
   12,791.24x = 17,647.22 × 7,751.82
4. Step 4: Simplify right side
   12,791.24x = 136,798,072.94
5. Step 5: Solve for x
   x = 136,798,072.94/12,791.24
6. Step 6: Final answer
   x = 10,694.67