Finding the Fourth Proportional to 3,721.73, 5,136.06 and 2,043.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,721.73 : 5,136.06 = 2,043.30 : x
2. Step 2: Convert to fraction form
   3,721.73/5,136.06 = 2,043.30/x
3. Step 3: Cross multiply
   3,721.73x = 5,136.06 × 2,043.30
4. Step 4: Simplify right side
   3,721.73x = 10,494,475.50
5. Step 5: Solve for x
   x = 10,494,475.50/3,721.73
6. Step 6: Final answer
   x = 2,819.78