Finding the Fourth Proportional to 9,636.13, 13,297.71 and 5,386.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,636.13 : 13,297.71 = 5,386.96 : x
2. Step 2: Convert to fraction form
   9,636.13/13,297.71 = 5,386.96/x
3. Step 3: Cross multiply
   9,636.13x = 13,297.71 × 5,386.96
4. Step 4: Simplify right side
   9,636.13x = 71,634,231.86
5. Step 5: Solve for x
   x = 71,634,231.86/9,636.13
6. Step 6: Final answer
   x = 7,433.92