Finding the Fourth Proportional to 10,686, 14,747.04 and 5,971.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,686 : 14,747.04 = 5,971.68 : x
2. Step 2: Convert to fraction form
   10,686/14,747.04 = 5,971.68/x
3. Step 3: Cross multiply
   10,686x = 14,747.04 × 5,971.68
4. Step 4: Simplify right side
   10,686x = 88,064,603.83
5. Step 5: Solve for x
   x = 88,064,603.83/10,686
6. Step 6: Final answer
   x = 8,241.12