Finding the Fourth Proportional to 6,711.94, 9,262.60 and 3,728.05

Step by Step Solution

1. Step 1: Write the proportion equation
   6,711.94 : 9,262.60 = 3,728.05 : x
2. Step 2: Convert to fraction form
   6,711.94/9,262.60 = 3,728.05/x
3. Step 3: Cross multiply
   6,711.94x = 9,262.60 × 3,728.05
4. Step 4: Simplify right side
   6,711.94x = 34,531,426.61
5. Step 5: Solve for x
   x = 34,531,426.61/6,711.94
6. Step 6: Final answer
   x = 5,144.78