Finding the Fourth Proportional to 8,771.40, 12,104.71 and 4,792.68

Step by Step Solution

1. Step 1: Write the proportion equation
   8,771.40 : 12,104.71 = 4,792.68 : x
2. Step 2: Convert to fraction form
   8,771.40/12,104.71 = 4,792.68/x
3. Step 3: Cross multiply
   8,771.40x = 12,104.71 × 4,792.68
4. Step 4: Simplify right side
   8,771.40x = 58,013,989.54
5. Step 5: Solve for x
   x = 58,013,989.54/8,771.40
6. Step 6: Final answer
   x = 6,613.99