Finding the Fourth Proportional to 2,128.50, 3,192.79 and 589.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128.50 : 3,192.79 = 589.54 : x
2. Step 2: Convert to fraction form
   2,128.50/3,192.79 = 589.54/x
3. Step 3: Cross multiply
   2,128.50x = 3,192.79 × 589.54
4. Step 4: Simplify right side
   2,128.50x = 1,882,277.42
5. Step 5: Solve for x
   x = 1,882,277.42/2,128.50
6. Step 6: Final answer
   x = 884.32