Finding the Fourth Proportional to 3,722.72, 5,137.32 and 2,044.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,722.72 : 5,137.32 = 2,044.15 : x
2. Step 2: Convert to fraction form
   3,722.72/5,137.32 = 2,044.15/x
3. Step 3: Cross multiply
   3,722.72x = 5,137.32 × 2,044.15
4. Step 4: Simplify right side
   3,722.72x = 10,501,426.99
5. Step 5: Solve for x
   x = 10,501,426.99/3,722.72
6. Step 6: Final answer
   x = 2,820.91