Finding the Fourth Proportional to 3,721.76, 5,136.14 and 2,043.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,721.76 : 5,136.14 = 2,043.27 : x
2. Step 2: Convert to fraction form
   3,721.76/5,136.14 = 2,043.27/x
3. Step 3: Cross multiply
   3,721.76x = 5,136.14 × 2,043.27
4. Step 4: Simplify right side
   3,721.76x = 10,494,525.89
5. Step 5: Solve for x
   x = 10,494,525.89/3,721.76
6. Step 6: Final answer
   x = 2,819.78