Finding the Fourth Proportional to 2,196.63, 3,292.11 and 1,644.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.63 : 3,292.11 = 1,644.48 : x
2. Step 2: Convert to fraction form
   2,196.63/3,292.11 = 1,644.48/x
3. Step 3: Cross multiply
   2,196.63x = 3,292.11 × 1,644.48
4. Step 4: Simplify right side
   2,196.63x = 5,413,809.05
5. Step 5: Solve for x
   x = 5,413,809.05/2,196.63
6. Step 6: Final answer
   x = 2,464.60