Finding the Fourth Proportional to 2,144.52, 3,216.53 and 584.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.52 : 3,216.53 = 584.65 : x
2. Step 2: Convert to fraction form
   2,144.52/3,216.53 = 584.65/x
3. Step 3: Cross multiply
   2,144.52x = 3,216.53 × 584.65
4. Step 4: Simplify right side
   2,144.52x = 1,880,533.30
5. Step 5: Solve for x
   x = 1,880,533.30/2,144.52
6. Step 6: Final answer
   x = 876.90