Finding the Fourth Proportional to 2,365.40, 3,545.46 and 1,049.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,365.40 : 3,545.46 = 1,049.42 : x
2. Step 2: Convert to fraction form
   2,365.40/3,545.46 = 1,049.42/x
3. Step 3: Cross multiply
   2,365.40x = 3,545.46 × 1,049.42
4. Step 4: Simplify right side
   2,365.40x = 3,720,676.63
5. Step 5: Solve for x
   x = 3,720,676.63/2,365.40
6. Step 6: Final answer
   x = 1,572.96