Finding the Fourth Proportional to 12,775.82, 17,630.46 and 7,469.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,775.82 : 17,630.46 = 7,469.60 : x
2. Step 2: Convert to fraction form
   12,775.82/17,630.46 = 7,469.60/x
3. Step 3: Cross multiply
   12,775.82x = 17,630.46 × 7,469.60
4. Step 4: Simplify right side
   12,775.82x = 131,692,395.86
5. Step 5: Solve for x
   x = 131,692,395.86/12,775.82
6. Step 6: Final answer
   x = 10,307.94