Finding the Fourth Proportional to 3,721.89, 5,136.19 and 2,043.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,721.89 : 5,136.19 = 2,043.25 : x
2. Step 2: Convert to fraction form
   3,721.89/5,136.19 = 2,043.25/x
3. Step 3: Cross multiply
   3,721.89x = 5,136.19 × 2,043.25
4. Step 4: Simplify right side
   3,721.89x = 10,494,520.22
5. Step 5: Solve for x
   x = 10,494,520.22/3,721.89
6. Step 6: Final answer
   x = 2,819.68