Finding the Fourth Proportional to 8,608.50, 12,912.78 and 2,452.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,608.50 : 12,912.78 = 2,452.50 : x
2. Step 2: Convert to fraction form
   8,608.50/12,912.78 = 2,452.50/x
3. Step 3: Cross multiply
   8,608.50x = 12,912.78 × 2,452.50
4. Step 4: Simplify right side
   8,608.50x = 31,668,592.95
5. Step 5: Solve for x
   x = 31,668,592.95/8,608.50
6. Step 6: Final answer
   x = 3,678.76