Finding the Fourth Proportional to 10,814.49, 16,220.33 and 3,419.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,814.49 : 16,220.33 = 3,419.69 : x
2. Step 2: Convert to fraction form
   10,814.49/16,220.33 = 3,419.69/x
3. Step 3: Cross multiply
   10,814.49x = 16,220.33 × 3,419.69
4. Step 4: Simplify right side
   10,814.49x = 55,468,483.20
5. Step 5: Solve for x
   x = 55,468,483.20/10,814.49
6. Step 6: Final answer
   x = 5,129.09