Finding the Fourth Proportional to 11,216.22, 16,826.49 and 3,821.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,216.22 : 16,826.49 = 3,821.10 : x
2. Step 2: Convert to fraction form
   11,216.22/16,826.49 = 3,821.10/x
3. Step 3: Cross multiply
   11,216.22x = 16,826.49 × 3,821.10
4. Step 4: Simplify right side
   11,216.22x = 64,295,700.94
5. Step 5: Solve for x
   x = 64,295,700.94/11,216.22
6. Step 6: Final answer
   x = 5,732.39