Finding the Fourth Proportional to 7,940.22, 10,952.53 and 5,111.28

Step by Step Solution

1. Step 1: Write the proportion equation
   7,940.22 : 10,952.53 = 5,111.28 : x
2. Step 2: Convert to fraction form
   7,940.22/10,952.53 = 5,111.28/x
3. Step 3: Cross multiply
   7,940.22x = 10,952.53 × 5,111.28
4. Step 4: Simplify right side
   7,940.22x = 55,981,447.54
5. Step 5: Solve for x
   x = 55,981,447.54/7,940.22
6. Step 6: Final answer
   x = 7,050.36