Finding the Fourth Proportional to 3,722.39, 5,136.72 and 2,043.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,722.39 : 5,136.72 = 2,043.49 : x
2. Step 2: Convert to fraction form
   3,722.39/5,136.72 = 2,043.49/x
3. Step 3: Cross multiply
   3,722.39x = 5,136.72 × 2,043.49
4. Step 4: Simplify right side
   3,722.39x = 10,496,835.95
5. Step 5: Solve for x
   x = 10,496,835.95/3,722.39
6. Step 6: Final answer
   x = 2,819.92