Finding the Fourth Proportional to 3,644.43, 5,027.59 and 2,151.35

Step by Step Solution

1. Step 1: Write the proportion equation
   3,644.43 : 5,027.59 = 2,151.35 : x
2. Step 2: Convert to fraction form
   3,644.43/5,027.59 = 2,151.35/x
3. Step 3: Cross multiply
   3,644.43x = 5,027.59 × 2,151.35
4. Step 4: Simplify right side
   3,644.43x = 10,816,105.75
5. Step 5: Solve for x
   x = 10,816,105.75/3,644.43
6. Step 6: Final answer
   x = 2,967.85