Finding the Fourth Proportional to 8,851.90, 12,216.82 and 8,104.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,851.90 : 12,216.82 = 8,104.52 : x
2. Step 2: Convert to fraction form
   8,851.90/12,216.82 = 8,104.52/x
3. Step 3: Cross multiply
   8,851.90x = 12,216.82 × 8,104.52
4. Step 4: Simplify right side
   8,851.90x = 99,011,462.03
5. Step 5: Solve for x
   x = 99,011,462.03/8,851.90
6. Step 6: Final answer
   x = 11,185.33