Finding the Fourth Proportional to 8,717.69, 13,071.27 and 3,517.49

Step by Step Solution

1. Step 1: Write the proportion equation
   8,717.69 : 13,071.27 = 3,517.49 : x
2. Step 2: Convert to fraction form
   8,717.69/13,071.27 = 3,517.49/x
3. Step 3: Cross multiply
   8,717.69x = 13,071.27 × 3,517.49
4. Step 4: Simplify right side
   8,717.69x = 45,978,061.51
5. Step 5: Solve for x
   x = 45,978,061.51/8,717.69
6. Step 6: Final answer
   x = 5,274.11