Finding the Fourth Proportional to 2,245.38, 3,368.82 and 1,149.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,245.38 : 3,368.82 = 1,149.45 : x
2. Step 2: Convert to fraction form
   2,245.38/3,368.82 = 1,149.45/x
3. Step 3: Cross multiply
   2,245.38x = 3,368.82 × 1,149.45
4. Step 4: Simplify right side
   2,245.38x = 3,872,290.15
5. Step 5: Solve for x
   x = 3,872,290.15/2,245.38
6. Step 6: Final answer
   x = 1,724.56