Finding the Fourth Proportional to 9,383.27, 12,894.71 and 8,949.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,383.27 : 12,894.71 = 8,949.60 : x
2. Step 2: Convert to fraction form
   9,383.27/12,894.71 = 8,949.60/x
3. Step 3: Cross multiply
   9,383.27x = 12,894.71 × 8,949.60
4. Step 4: Simplify right side
   9,383.27x = 115,402,451.87
5. Step 5: Solve for x
   x = 115,402,451.87/9,383.27
6. Step 6: Final answer
   x = 12,298.75