Finding the Fourth Proportional to 21,293.82, 29,383.83 and 12,796.38

Step by Step Solution

1. Step 1: Write the proportion equation
   21,293.82 : 29,383.83 = 12,796.38 : x
2. Step 2: Convert to fraction form
   21,293.82/29,383.83 = 12,796.38/x
3. Step 3: Cross multiply
   21,293.82x = 29,383.83 × 12,796.38
4. Step 4: Simplify right side
   21,293.82x = 376,006,654.54
5. Step 5: Solve for x
   x = 376,006,654.54/21,293.82
6. Step 6: Final answer
   x = 17,658.02