Finding the Fourth Proportional to 8,105.31, 12,153.74 and 3,826.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,105.31 : 12,153.74 = 3,826.56 : x
2. Step 2: Convert to fraction form
   8,105.31/12,153.74 = 3,826.56/x
3. Step 3: Cross multiply
   8,105.31x = 12,153.74 × 3,826.56
4. Step 4: Simplify right side
   8,105.31x = 46,507,063.30
5. Step 5: Solve for x
   x = 46,507,063.30/8,105.31
6. Step 6: Final answer
   x = 5,737.85