Finding the Fourth Proportional to 10,723.10, 16,086.21 and 3,328.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,723.10 : 16,086.21 = 3,328.16 : x
2. Step 2: Convert to fraction form
   10,723.10/16,086.21 = 3,328.16/x
3. Step 3: Cross multiply
   10,723.10x = 16,086.21 × 3,328.16
4. Step 4: Simplify right side
   10,723.10x = 53,537,383.60
5. Step 5: Solve for x
   x = 53,537,383.60/10,723.10
6. Step 6: Final answer
   x = 4,992.72