Finding the Fourth Proportional to 3,967.74, 5,475.48 and 2,199.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,967.74 : 5,475.48 = 2,199.34 : x
2. Step 2: Convert to fraction form
   3,967.74/5,475.48 = 2,199.34/x
3. Step 3: Cross multiply
   3,967.74x = 5,475.48 × 2,199.34
4. Step 4: Simplify right side
   3,967.74x = 12,042,453.15
5. Step 5: Solve for x
   x = 12,042,453.15/3,967.74
6. Step 6: Final answer
   x = 3,035.09