Finding the Fourth Proportional to 9,967.64, 13,754.81 and 5,717.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,967.64 : 13,754.81 = 5,717.82 : x
2. Step 2: Convert to fraction form
   9,967.64/13,754.81 = 5,717.82/x
3. Step 3: Cross multiply
   9,967.64x = 13,754.81 × 5,717.82
4. Step 4: Simplify right side
   9,967.64x = 78,647,593.59
5. Step 5: Solve for x
   x = 78,647,593.59/9,967.64
6. Step 6: Final answer
   x = 7,890.29