Finding the Fourth Proportional to 9,615.69, 13,269.06 and 5,366.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,615.69 : 13,269.06 = 5,366.48 : x
2. Step 2: Convert to fraction form
   9,615.69/13,269.06 = 5,366.48/x
3. Step 3: Cross multiply
   9,615.69x = 13,269.06 × 5,366.48
4. Step 4: Simplify right side
   9,615.69x = 71,208,078.76
5. Step 5: Solve for x
   x = 71,208,078.76/9,615.69
6. Step 6: Final answer
   x = 7,405.40