Finding the Fourth Proportional to 2,271.24, 3,406.76 and 711.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,271.24 : 3,406.76 = 711.23 : x
2. Step 2: Convert to fraction form
   2,271.24/3,406.76 = 711.23/x
3. Step 3: Cross multiply
   2,271.24x = 3,406.76 × 711.23
4. Step 4: Simplify right side
   2,271.24x = 2,422,969.32
5. Step 5: Solve for x
   x = 2,422,969.32/2,271.24
6. Step 6: Final answer
   x = 1,066.80