Finding the Fourth Proportional to 8,268.72, 12,394.56 and 3,591.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,268.72 : 12,394.56 = 3,591.76 : x
2. Step 2: Convert to fraction form
   8,268.72/12,394.56 = 3,591.76/x
3. Step 3: Cross multiply
   8,268.72x = 12,394.56 × 3,591.76
4. Step 4: Simplify right side
   8,268.72x = 44,518,284.83
5. Step 5: Solve for x
   x = 44,518,284.83/8,268.72
6. Step 6: Final answer
   x = 5,383.94