Finding the Fourth Proportional to 8,321.82, 12,474.09 and 3,935.94

Step by Step Solution

1. Step 1: Write the proportion equation
   8,321.82 : 12,474.09 = 3,935.94 : x
2. Step 2: Convert to fraction form
   8,321.82/12,474.09 = 3,935.94/x
3. Step 3: Cross multiply
   8,321.82x = 12,474.09 × 3,935.94
4. Step 4: Simplify right side
   8,321.82x = 49,097,269.79
5. Step 5: Solve for x
   x = 49,097,269.79/8,321.82
6. Step 6: Final answer
   x = 5,899.82