Finding the Fourth Proportional to 12,694.82, 17,517.21 and 7,105.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,694.82 : 17,517.21 = 7,105.82 : x
2. Step 2: Convert to fraction form
   12,694.82/17,517.21 = 7,105.82/x
3. Step 3: Cross multiply
   12,694.82x = 17,517.21 × 7,105.82
4. Step 4: Simplify right side
   12,694.82x = 124,474,141.16
5. Step 5: Solve for x
   x = 124,474,141.16/12,694.82
6. Step 6: Final answer
   x = 9,805.11