Finding the Fourth Proportional to 9,615.35, 13,269.24 and 5,636.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,615.35 : 13,269.24 = 5,636.54 : x
2. Step 2: Convert to fraction form
   9,615.35/13,269.24 = 5,636.54/x
3. Step 3: Cross multiply
   9,615.35x = 13,269.24 × 5,636.54
4. Step 4: Simplify right side
   9,615.35x = 74,792,602.03
5. Step 5: Solve for x
   x = 74,792,602.03/9,615.35
6. Step 6: Final answer
   x = 7,778.46