Finding the Fourth Proportional to 12,799.82, 17,648.64 and 8,768.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,799.82 : 17,648.64 = 8,768.58 : x
2. Step 2: Convert to fraction form
   12,799.82/17,648.64 = 8,768.58/x
3. Step 3: Cross multiply
   12,799.82x = 17,648.64 × 8,768.58
4. Step 4: Simplify right side
   12,799.82x = 154,753,511.73
5. Step 5: Solve for x
   x = 154,753,511.73/12,799.82
6. Step 6: Final answer
   x = 12,090.29