Finding the Fourth Proportional to 3,744.10, 5,621.55 and 2,826.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,744.10 : 5,621.55 = 2,826.10 : x
2. Step 2: Convert to fraction form
   3,744.10/5,621.55 = 2,826.10/x
3. Step 3: Cross multiply
   3,744.10x = 5,621.55 × 2,826.10
4. Step 4: Simplify right side
   3,744.10x = 15,887,062.46
5. Step 5: Solve for x
   x = 15,887,062.46/3,744.10
6. Step 6: Final answer
   x = 4,243.23