Finding the Fourth Proportional to 8,313.42, 12,469.98 and 3,934.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,313.42 : 12,469.98 = 3,934.02 : x
2. Step 2: Convert to fraction form
   8,313.42/12,469.98 = 3,934.02/x
3. Step 3: Cross multiply
   8,313.42x = 12,469.98 × 3,934.02
4. Step 4: Simplify right side
   8,313.42x = 49,057,150.72
5. Step 5: Solve for x
   x = 49,057,150.72/8,313.42
6. Step 6: Final answer
   x = 5,900.96