Finding the Fourth Proportional to 9,636.76, 13,297.26 and 5,443.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,636.76 : 13,297.26 = 5,443.48 : x
2. Step 2: Convert to fraction form
   9,636.76/13,297.26 = 5,443.48/x
3. Step 3: Cross multiply
   9,636.76x = 13,297.26 × 5,443.48
4. Step 4: Simplify right side
   9,636.76x = 72,383,368.86
5. Step 5: Solve for x
   x = 72,383,368.86/9,636.76
6. Step 6: Final answer
   x = 7,511.17