Finding the Fourth Proportional to 7,768.96, 10,730.24 and 7,022.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,768.96 : 10,730.24 = 7,022.72 : x
2. Step 2: Convert to fraction form
   7,768.96/10,730.24 = 7,022.72/x
3. Step 3: Cross multiply
   7,768.96x = 10,730.24 × 7,022.72
4. Step 4: Simplify right side
   7,768.96x = 75,355,471.05
5. Step 5: Solve for x
   x = 75,355,471.05/7,768.96
6. Step 6: Final answer
   x = 9,699.56