Finding the Fourth Proportional to 12,732.82, 17,571.72 and 7,696.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,732.82 : 17,571.72 = 7,696.06 : x
2. Step 2: Convert to fraction form
   12,732.82/17,571.72 = 7,696.06/x
3. Step 3: Cross multiply
   12,732.82x = 17,571.72 × 7,696.06
4. Step 4: Simplify right side
   12,732.82x = 135,233,011.42
5. Step 5: Solve for x
   x = 135,233,011.42/12,732.82
6. Step 6: Final answer
   x = 10,620.82