Finding the Fourth Proportional to 8,644.66, 12,968.69 and 3,096.51

Step by Step Solution

1. Step 1: Write the proportion equation
   8,644.66 : 12,968.69 = 3,096.51 : x
2. Step 2: Convert to fraction form
   8,644.66/12,968.69 = 3,096.51/x
3. Step 3: Cross multiply
   8,644.66x = 12,968.69 × 3,096.51
4. Step 4: Simplify right side
   8,644.66x = 40,157,678.27
5. Step 5: Solve for x
   x = 40,157,678.27/8,644.66
6. Step 6: Final answer
   x = 4,645.37