Finding the Fourth Proportional to 1,647.01, 2,458.78 and 1,589.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,647.01 : 2,458.78 = 1,589.33 : x
2. Step 2: Convert to fraction form
   1,647.01/2,458.78 = 1,589.33/x
3. Step 3: Cross multiply
   1,647.01x = 2,458.78 × 1,589.33
4. Step 4: Simplify right side
   1,647.01x = 3,907,804.87
5. Step 5: Solve for x
   x = 3,907,804.87/1,647.01
6. Step 6: Final answer
   x = 2,372.67