Finding the Fourth Proportional to 12,393.05, 17,078.76 and 8,850.11

Step by Step Solution

1. Step 1: Write the proportion equation
   12,393.05 : 17,078.76 = 8,850.11 : x
2. Step 2: Convert to fraction form
   12,393.05/17,078.76 = 8,850.11/x
3. Step 3: Cross multiply
   12,393.05x = 17,078.76 × 8,850.11
4. Step 4: Simplify right side
   12,393.05x = 151,148,819.27
5. Step 5: Solve for x
   x = 151,148,819.27/12,393.05
6. Step 6: Final answer
   x = 12,196.26