Finding the Fourth Proportional to 3,800.69, 5,259.33 and 3,240.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,800.69 : 5,259.33 = 3,240.27 : x
2. Step 2: Convert to fraction form
   3,800.69/5,259.33 = 3,240.27/x
3. Step 3: Cross multiply
   3,800.69x = 5,259.33 × 3,240.27
4. Step 4: Simplify right side
   3,800.69x = 17,041,649.22
5. Step 5: Solve for x
   x = 17,041,649.22/3,800.69
6. Step 6: Final answer
   x = 4,483.83