Finding the Fourth Proportional to 12,729.06, 17,576.42 and 7,954.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,729.06 : 17,576.42 = 7,954.56 : x
2. Step 2: Convert to fraction form
   12,729.06/17,576.42 = 7,954.56/x
3. Step 3: Cross multiply
   12,729.06x = 17,576.42 × 7,954.56
4. Step 4: Simplify right side
   12,729.06x = 139,812,687.48
5. Step 5: Solve for x
   x = 139,812,687.48/12,729.06
6. Step 6: Final answer
   x = 10,983.74