Finding the Fourth Proportional to 3,644.26, 5,028.82 and 2,152.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,644.26 : 5,028.82 = 2,152.10 : x
2. Step 2: Convert to fraction form
   3,644.26/5,028.82 = 2,152.10/x
3. Step 3: Cross multiply
   3,644.26x = 5,028.82 × 2,152.10
4. Step 4: Simplify right side
   3,644.26x = 10,822,523.52
5. Step 5: Solve for x
   x = 10,822,523.52/3,644.26
6. Step 6: Final answer
   x = 2,969.75