Finding the Fourth Proportional to 4,711.30, 7,067.76 and 1,424.12

Step by Step Solution

1. Step 1: Write the proportion equation
   4,711.30 : 7,067.76 = 1,424.12 : x
2. Step 2: Convert to fraction form
   4,711.30/7,067.76 = 1,424.12/x
3. Step 3: Cross multiply
   4,711.30x = 7,067.76 × 1,424.12
4. Step 4: Simplify right side
   4,711.30x = 10,065,297.69
5. Step 5: Solve for x
   x = 10,065,297.69/4,711.30
6. Step 6: Final answer
   x = 2,136.42