Finding the Fourth Proportional to 17,286, 25,942.83 and 7,930.42

Step by Step Solution

1. Step 1: Write the proportion equation
   17,286 : 25,942.83 = 7,930.42 : x
2. Step 2: Convert to fraction form
   17,286/25,942.83 = 7,930.42/x
3. Step 3: Cross multiply
   17,286x = 25,942.83 × 7,930.42
4. Step 4: Simplify right side
   17,286x = 205,737,537.89
5. Step 5: Solve for x
   x = 205,737,537.89/17,286
6. Step 6: Final answer
   x = 11,901.97