Finding the Fourth Proportional to 7,136.16, 10,717.20 and 5,496.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,136.16 : 10,717.20 = 5,496.72 : x
2. Step 2: Convert to fraction form
   7,136.16/10,717.20 = 5,496.72/x
3. Step 3: Cross multiply
   7,136.16x = 10,717.20 × 5,496.72
4. Step 4: Simplify right side
   7,136.16x = 58,909,447.58
5. Step 5: Solve for x
   x = 58,909,447.58/7,136.16
6. Step 6: Final answer
   x = 8,255.06