Finding the Fourth Proportional to 4,644.54, 6,411.69 and 3,132.45

Step by Step Solution

1. Step 1: Write the proportion equation
   4,644.54 : 6,411.69 = 3,132.45 : x
2. Step 2: Convert to fraction form
   4,644.54/6,411.69 = 3,132.45/x
3. Step 3: Cross multiply
   4,644.54x = 6,411.69 × 3,132.45
4. Step 4: Simplify right side
   4,644.54x = 20,084,298.34
5. Step 5: Solve for x
   x = 20,084,298.34/4,644.54
6. Step 6: Final answer
   x = 4,324.28