Finding the Fourth Proportional to 8,826.58, 13,241.49 and 5,356.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,826.58 : 13,241.49 = 5,356.54 : x
2. Step 2: Convert to fraction form
   8,826.58/13,241.49 = 5,356.54/x
3. Step 3: Cross multiply
   8,826.58x = 13,241.49 × 5,356.54
4. Step 4: Simplify right side
   8,826.58x = 70,928,570.84
5. Step 5: Solve for x
   x = 70,928,570.84/8,826.58
6. Step 6: Final answer
   x = 8,035.79