Finding the Fourth Proportional to 10,814.27, 16,219.99 and 3,419.47

Step by Step Solution

1. Step 1: Write the proportion equation
   10,814.27 : 16,219.99 = 3,419.47 : x
2. Step 2: Convert to fraction form
   10,814.27/16,219.99 = 3,419.47/x
3. Step 3: Cross multiply
   10,814.27x = 16,219.99 × 3,419.47
4. Step 4: Simplify right side
   10,814.27x = 55,463,769.21
5. Step 5: Solve for x
   x = 55,463,769.21/10,814.27
6. Step 6: Final answer
   x = 5,128.76