Finding the Fourth Proportional to 8,568.82, 12,849.81 and 3,300.90

Step by Step Solution

1. Step 1: Write the proportion equation
   8,568.82 : 12,849.81 = 3,300.90 : x
2. Step 2: Convert to fraction form
   8,568.82/12,849.81 = 3,300.90/x
3. Step 3: Cross multiply
   8,568.82x = 12,849.81 × 3,300.90
4. Step 4: Simplify right side
   8,568.82x = 42,415,937.83
5. Step 5: Solve for x
   x = 42,415,937.83/8,568.82
6. Step 6: Final answer
   x = 4,950.03