Finding the Fourth Proportional to 8,288.63, 12,435.68 and 3,355.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,288.63 : 12,435.68 = 3,355.59 : x
2. Step 2: Convert to fraction form
   8,288.63/12,435.68 = 3,355.59/x
3. Step 3: Cross multiply
   8,288.63x = 12,435.68 × 3,355.59
4. Step 4: Simplify right side
   8,288.63x = 41,729,043.45
5. Step 5: Solve for x
   x = 41,729,043.45/8,288.63
6. Step 6: Final answer
   x = 5,034.49