Finding the Fourth Proportional to 8,481.76, 12,726.42 and 3,288.04

Step by Step Solution

1. Step 1: Write the proportion equation
   8,481.76 : 12,726.42 = 3,288.04 : x
2. Step 2: Convert to fraction form
   8,481.76/12,726.42 = 3,288.04/x
3. Step 3: Cross multiply
   8,481.76x = 12,726.42 × 3,288.04
4. Step 4: Simplify right side
   8,481.76x = 41,844,978.02
5. Step 5: Solve for x
   x = 41,844,978.02/8,481.76
6. Step 6: Final answer
   x = 4,933.53