Finding the Fourth Proportional to 10,814.28, 16,221.39 and 2,606.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,814.28 : 16,221.39 = 2,606.28 : x
2. Step 2: Convert to fraction form
   10,814.28/16,221.39 = 2,606.28/x
3. Step 3: Cross multiply
   10,814.28x = 16,221.39 × 2,606.28
4. Step 4: Simplify right side
   10,814.28x = 42,277,484.33
5. Step 5: Solve for x
   x = 42,277,484.33/10,814.28
6. Step 6: Final answer
   x = 3,909.41