Finding the Fourth Proportional to 9,469.92, 13,075.92 and 7,698.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,469.92 : 13,075.92 = 7,698.72 : x
2. Step 2: Convert to fraction form
   9,469.92/13,075.92 = 7,698.72/x
3. Step 3: Cross multiply
   9,469.92x = 13,075.92 × 7,698.72
4. Step 4: Simplify right side
   9,469.92x = 100,667,846.82
5. Step 5: Solve for x
   x = 100,667,846.82/9,469.92
6. Step 6: Final answer
   x = 10,630.27