Finding the Fourth Proportional to 10,680.27, 16,021.94 and 3,285.35

Step by Step Solution

1. Step 1: Write the proportion equation
   10,680.27 : 16,021.94 = 3,285.35 : x
2. Step 2: Convert to fraction form
   10,680.27/16,021.94 = 3,285.35/x
3. Step 3: Cross multiply
   10,680.27x = 16,021.94 × 3,285.35
4. Step 4: Simplify right side
   10,680.27x = 52,637,680.58
5. Step 5: Solve for x
   x = 52,637,680.58/10,680.27
6. Step 6: Final answer
   x = 4,928.50