Finding the Fourth Proportional to 12,763.89, 17,608.46 and 7,456.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,763.89 : 17,608.46 = 7,456.37 : x
2. Step 2: Convert to fraction form
   12,763.89/17,608.46 = 7,456.37/x
3. Step 3: Cross multiply
   12,763.89x = 17,608.46 × 7,456.37
4. Step 4: Simplify right side
   12,763.89x = 131,295,067.57
5. Step 5: Solve for x
   x = 131,295,067.57/12,763.89
6. Step 6: Final answer
   x = 10,286.45