Finding the Fourth Proportional to 3,634.72, 5,450.72 and 1,442.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,634.72 : 5,450.72 = 1,442.86 : x
2. Step 2: Convert to fraction form
   3,634.72/5,450.72 = 1,442.86/x
3. Step 3: Cross multiply
   3,634.72x = 5,450.72 × 1,442.86
4. Step 4: Simplify right side
   3,634.72x = 7,864,625.86
5. Step 5: Solve for x
   x = 7,864,625.86/3,634.72
6. Step 6: Final answer
   x = 2,163.75