Finding the Fourth Proportional to 3,644.33, 5,029.56 and 2,072.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,644.33 : 5,029.56 = 2,072.25 : x
2. Step 2: Convert to fraction form
   3,644.33/5,029.56 = 2,072.25/x
3. Step 3: Cross multiply
   3,644.33x = 5,029.56 × 2,072.25
4. Step 4: Simplify right side
   3,644.33x = 10,422,505.71
5. Step 5: Solve for x
   x = 10,422,505.71/3,644.33
6. Step 6: Final answer
   x = 2,859.93