Finding the Fourth Proportional to 3,456.71, 4,772.38 and 2,132.23

Step by Step Solution

1. Step 1: Write the proportion equation
   3,456.71 : 4,772.38 = 2,132.23 : x
2. Step 2: Convert to fraction form
   3,456.71/4,772.38 = 2,132.23/x
3. Step 3: Cross multiply
   3,456.71x = 4,772.38 × 2,132.23
4. Step 4: Simplify right side
   3,456.71x = 10,175,782.61
5. Step 5: Solve for x
   x = 10,175,782.61/3,456.71
6. Step 6: Final answer
   x = 2,943.78