Finding the Fourth Proportional to 6,614.69, 9,128.39 and 3,630.80

Step by Step Solution

1. Step 1: Write the proportion equation
   6,614.69 : 9,128.39 = 3,630.80 : x
2. Step 2: Convert to fraction form
   6,614.69/9,128.39 = 3,630.80/x
3. Step 3: Cross multiply
   6,614.69x = 9,128.39 × 3,630.80
4. Step 4: Simplify right side
   6,614.69x = 33,143,294.62
5. Step 5: Solve for x
   x = 33,143,294.62/6,614.69
6. Step 6: Final answer
   x = 5,010.56