Finding the Fourth Proportional to 7,103.51, 10,660.76 and 5,720.23

Step by Step Solution

1. Step 1: Write the proportion equation
   7,103.51 : 10,660.76 = 5,720.23 : x
2. Step 2: Convert to fraction form
   7,103.51/10,660.76 = 5,720.23/x
3. Step 3: Cross multiply
   7,103.51x = 10,660.76 × 5,720.23
4. Step 4: Simplify right side
   7,103.51x = 60,981,986.82
5. Step 5: Solve for x
   x = 60,981,986.82/7,103.51
6. Step 6: Final answer
   x = 8,584.77