Finding the Fourth Proportional to 8,716.23, 13,066.17 and 3,168.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,716.23 : 13,066.17 = 3,168.18 : x
2. Step 2: Convert to fraction form
   8,716.23/13,066.17 = 3,168.18/x
3. Step 3: Cross multiply
   8,716.23x = 13,066.17 × 3,168.18
4. Step 4: Simplify right side
   8,716.23x = 41,395,978.47
5. Step 5: Solve for x
   x = 41,395,978.47/8,716.23
6. Step 6: Final answer
   x = 4,749.30