Finding the Fourth Proportional to 2,205.32, 3,308.45 and 744.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,205.32 : 3,308.45 = 744.42 : x
2. Step 2: Convert to fraction form
   2,205.32/3,308.45 = 744.42/x
3. Step 3: Cross multiply
   2,205.32x = 3,308.45 × 744.42
4. Step 4: Simplify right side
   2,205.32x = 2,462,872.63
5. Step 5: Solve for x
   x = 2,462,872.63/2,205.32
6. Step 6: Final answer
   x = 1,116.79