Finding the Fourth Proportional to 9,664.17, 13,236.62 and 9,096.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,664.17 : 13,236.62 = 9,096.76 : x
2. Step 2: Convert to fraction form
   9,664.17/13,236.62 = 9,096.76/x
3. Step 3: Cross multiply
   9,664.17x = 13,236.62 × 9,096.76
4. Step 4: Simplify right side
   9,664.17x = 120,410,355.35
5. Step 5: Solve for x
   x = 120,410,355.35/9,664.17
6. Step 6: Final answer
   x = 12,459.46