Finding the Fourth Proportional to 6,861.94, 9,469.56 and 3,718.12

Step by Step Solution

1. Step 1: Write the proportion equation
   6,861.94 : 9,469.56 = 3,718.12 : x
2. Step 2: Convert to fraction form
   6,861.94/9,469.56 = 3,718.12/x
3. Step 3: Cross multiply
   6,861.94x = 9,469.56 × 3,718.12
4. Step 4: Simplify right side
   6,861.94x = 35,208,960.43
5. Step 5: Solve for x
   x = 35,208,960.43/6,861.94
6. Step 6: Final answer
   x = 5,131.05