Finding the Fourth Proportional to 9,796.27, 13,528.38 and 8,371.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,796.27 : 13,528.38 = 8,371.57 : x
2. Step 2: Convert to fraction form
   9,796.27/13,528.38 = 8,371.57/x
3. Step 3: Cross multiply
   9,796.27x = 13,528.38 × 8,371.57
4. Step 4: Simplify right side
   9,796.27x = 113,253,780.16
5. Step 5: Solve for x
   x = 113,253,780.16/9,796.27
6. Step 6: Final answer
   x = 11,560.91