Finding the Fourth Proportional to 3,945.72, 5,445.27 and 2,267.67

Step by Step Solution

1. Step 1: Write the proportion equation
   3,945.72 : 5,445.27 = 2,267.67 : x
2. Step 2: Convert to fraction form
   3,945.72/5,445.27 = 2,267.67/x
3. Step 3: Cross multiply
   3,945.72x = 5,445.27 × 2,267.67
4. Step 4: Simplify right side
   3,945.72x = 12,348,075.42
5. Step 5: Solve for x
   x = 12,348,075.42/3,945.72
6. Step 6: Final answer
   x = 3,129.49