Finding the Fourth Proportional to 9,269.75, 12,792.57 and 5,078.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,269.75 : 12,792.57 = 5,078.27 : x
2. Step 2: Convert to fraction form
   9,269.75/12,792.57 = 5,078.27/x
3. Step 3: Cross multiply
   9,269.75x = 12,792.57 × 5,078.27
4. Step 4: Simplify right side
   9,269.75x = 64,964,124.45
5. Step 5: Solve for x
   x = 64,964,124.45/9,269.75
6. Step 6: Final answer
   x = 7,008.19