Finding the Fourth Proportional to 8,321.69, 12,476.37 and 3,934.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,321.69 : 12,476.37 = 3,934.02 : x
2. Step 2: Convert to fraction form
   8,321.69/12,476.37 = 3,934.02/x
3. Step 3: Cross multiply
   8,321.69x = 12,476.37 × 3,934.02
4. Step 4: Simplify right side
   8,321.69x = 49,082,289.11
5. Step 5: Solve for x
   x = 49,082,289.11/8,321.69
6. Step 6: Final answer
   x = 5,898.12