Finding the Fourth Proportional to 7,200.69, 10,802.54 and 3,040.71

Step by Step Solution

1. Step 1: Write the proportion equation
   7,200.69 : 10,802.54 = 3,040.71 : x
2. Step 2: Convert to fraction form
   7,200.69/10,802.54 = 3,040.71/x
3. Step 3: Cross multiply
   7,200.69x = 10,802.54 × 3,040.71
4. Step 4: Simplify right side
   7,200.69x = 32,847,391.40
5. Step 5: Solve for x
   x = 32,847,391.40/7,200.69
6. Step 6: Final answer
   x = 4,561.70