Finding the Fourth Proportional to 12,758.50, 17,608.62 and 7,456.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,758.50 : 17,608.62 = 7,456.24 : x
2. Step 2: Convert to fraction form
   12,758.50/17,608.62 = 7,456.24/x
3. Step 3: Cross multiply
   12,758.50x = 17,608.62 × 7,456.24
4. Step 4: Simplify right side
   12,758.50x = 131,294,096.79
5. Step 5: Solve for x
   x = 131,294,096.79/12,758.50
6. Step 6: Final answer
   x = 10,290.72