Finding the Fourth Proportional to 3,967.67, 5,475.37 and 2,199.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,967.67 : 5,475.37 = 2,199.27 : x
2. Step 2: Convert to fraction form
   3,967.67/5,475.37 = 2,199.27/x
3. Step 3: Cross multiply
   3,967.67x = 5,475.37 × 2,199.27
4. Step 4: Simplify right side
   3,967.67x = 12,041,805.98
5. Step 5: Solve for x
   x = 12,041,805.98/3,967.67
6. Step 6: Final answer
   x = 3,034.99