Finding the Fourth Proportional to 10,935.71, 16,406.16 and 3,540.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,935.71 : 16,406.16 = 3,540.16 : x
2. Step 2: Convert to fraction form
   10,935.71/16,406.16 = 3,540.16/x
3. Step 3: Cross multiply
   10,935.71x = 16,406.16 × 3,540.16
4. Step 4: Simplify right side
   10,935.71x = 58,080,504.67
5. Step 5: Solve for x
   x = 58,080,504.67/10,935.71
6. Step 6: Final answer
   x = 5,311.09