Finding the Fourth Proportional to 2,205.12, 3,308.04 and 744.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,205.12 : 3,308.04 = 744.42 : x
2. Step 2: Convert to fraction form
   2,205.12/3,308.04 = 744.42/x
3. Step 3: Cross multiply
   2,205.12x = 3,308.04 × 744.42
4. Step 4: Simplify right side
   2,205.12x = 2,462,571.14
5. Step 5: Solve for x
   x = 2,462,571.14/2,205.12
6. Step 6: Final answer
   x = 1,116.75