Finding the Fourth Proportional to 8,270.55, 12,405.90 and 2,427.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,270.55 : 12,405.90 = 2,427.27 : x
2. Step 2: Convert to fraction form
   8,270.55/12,405.90 = 2,427.27/x
3. Step 3: Cross multiply
   8,270.55x = 12,405.90 × 2,427.27
4. Step 4: Simplify right side
   8,270.55x = 30,112,468.89
5. Step 5: Solve for x
   x = 30,112,468.89/8,270.55
6. Step 6: Final answer
   x = 3,640.93