Finding the Fourth Proportional to 9,792.27, 13,522.86 and 8,367.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,792.27 : 13,522.86 = 8,367.57 : x
2. Step 2: Convert to fraction form
   9,792.27/13,522.86 = 8,367.57/x
3. Step 3: Cross multiply
   9,792.27x = 13,522.86 × 8,367.57
4. Step 4: Simplify right side
   9,792.27x = 113,153,477.65
5. Step 5: Solve for x
   x = 113,153,477.65/9,792.27
6. Step 6: Final answer
   x = 11,555.39