Finding the Fourth Proportional to 7,711.29, 10,636.09 and 5,322.18

Step by Step Solution

1. Step 1: Write the proportion equation
   7,711.29 : 10,636.09 = 5,322.18 : x
2. Step 2: Convert to fraction form
   7,711.29/10,636.09 = 5,322.18/x
3. Step 3: Cross multiply
   7,711.29x = 10,636.09 × 5,322.18
4. Step 4: Simplify right side
   7,711.29x = 56,607,185.48
5. Step 5: Solve for x
   x = 56,607,185.48/7,711.29
6. Step 6: Final answer
   x = 7,340.82