Finding the Fourth Proportional to 12,491.04, 17,231.82 and 7,706.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,491.04 : 17,231.82 = 7,706.98 : x
2. Step 2: Convert to fraction form
   12,491.04/17,231.82 = 7,706.98/x
3. Step 3: Cross multiply
   12,491.04x = 17,231.82 × 7,706.98
4. Step 4: Simplify right side
   12,491.04x = 132,805,292.10
5. Step 5: Solve for x
   x = 132,805,292.10/12,491.04
6. Step 6: Final answer
   x = 10,632.04