Finding the Fourth Proportional to 9,615.86, 13,269.46 and 5,366.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,615.86 : 13,269.46 = 5,366.69 : x
2. Step 2: Convert to fraction form
   9,615.86/13,269.46 = 5,366.69/x
3. Step 3: Cross multiply
   9,615.86x = 13,269.46 × 5,366.69
4. Step 4: Simplify right side
   9,615.86x = 71,213,078.29
5. Step 5: Solve for x
   x = 71,213,078.29/9,615.86
6. Step 6: Final answer
   x = 7,405.79