Finding the Fourth Proportional to 8,851.36, 13,295.27 and 8,556.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,851.36 : 13,295.27 = 8,556.12 : x
2. Step 2: Convert to fraction form
   8,851.36/13,295.27 = 8,556.12/x
3. Step 3: Cross multiply
   8,851.36x = 13,295.27 × 8,556.12
4. Step 4: Simplify right side
   8,851.36x = 113,755,925.55
5. Step 5: Solve for x
   x = 113,755,925.55/8,851.36
6. Step 6: Final answer
   x = 12,851.80