Finding the Fourth Proportional to 2,165.37, 3,243.77 and 1,432.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,165.37 : 3,243.77 = 1,432.72 : x
2. Step 2: Convert to fraction form
   2,165.37/3,243.77 = 1,432.72/x
3. Step 3: Cross multiply
   2,165.37x = 3,243.77 × 1,432.72
4. Step 4: Simplify right side
   2,165.37x = 4,647,414.15
5. Step 5: Solve for x
   x = 4,647,414.15/2,165.37
6. Step 6: Final answer
   x = 2,146.24