Finding the Fourth Proportional to 1,513.72, 2,271.15 and 589.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.72 : 2,271.15 = 589.33 : x
2. Step 2: Convert to fraction form
   1,513.72/2,271.15 = 589.33/x
3. Step 3: Cross multiply
   1,513.72x = 2,271.15 × 589.33
4. Step 4: Simplify right side
   1,513.72x = 1,338,456.83
5. Step 5: Solve for x
   x = 1,338,456.83/1,513.72
6. Step 6: Final answer
   x = 884.22