Finding the Fourth Proportional to 9,971.72, 13,759.24 and 5,993.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,971.72 : 13,759.24 = 5,993.72 : x
2. Step 2: Convert to fraction form
   9,971.72/13,759.24 = 5,993.72/x
3. Step 3: Cross multiply
   9,971.72x = 13,759.24 × 5,993.72
4. Step 4: Simplify right side
   9,971.72x = 82,469,031.97
5. Step 5: Solve for x
   x = 82,469,031.97/9,971.72
6. Step 6: Final answer
   x = 8,270.29