Finding the Fourth Proportional to 11,311.37, 16,964.81 and 3,814.19

Step by Step Solution

1. Step 1: Write the proportion equation
   11,311.37 : 16,964.81 = 3,814.19 : x
2. Step 2: Convert to fraction form
   11,311.37/16,964.81 = 3,814.19/x
3. Step 3: Cross multiply
   11,311.37x = 16,964.81 × 3,814.19
4. Step 4: Simplify right side
   11,311.37x = 64,707,008.65
5. Step 5: Solve for x
   x = 64,707,008.65/11,311.37
6. Step 6: Final answer
   x = 5,720.53