Finding the Fourth Proportional to 12,775.75, 17,627.88 and 7,469.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,775.75 : 17,627.88 = 7,469.54 : x
2. Step 2: Convert to fraction form
   12,775.75/17,627.88 = 7,469.54/x
3. Step 3: Cross multiply
   12,775.75x = 17,627.88 × 7,469.54
4. Step 4: Simplify right side
   12,775.75x = 131,672,154.78
5. Step 5: Solve for x
   x = 131,672,154.78/12,775.75
6. Step 6: Final answer
   x = 10,306.41