Finding the Fourth Proportional to 12,636.11, 17,419.37 and 8,847.33

Step by Step Solution

1. Step 1: Write the proportion equation
   12,636.11 : 17,419.37 = 8,847.33 : x
2. Step 2: Convert to fraction form
   12,636.11/17,419.37 = 8,847.33/x
3. Step 3: Cross multiply
   12,636.11x = 17,419.37 × 8,847.33
4. Step 4: Simplify right side
   12,636.11x = 154,114,870.55
5. Step 5: Solve for x
   x = 154,114,870.55/12,636.11
6. Step 6: Final answer
   x = 12,196.39