Finding the Fourth Proportional to 2,144.50, 2,959.46 and 1,200.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.50 : 2,959.46 = 1,200.28 : x
2. Step 2: Convert to fraction form
   2,144.50/2,959.46 = 1,200.28/x
3. Step 3: Cross multiply
   2,144.50x = 2,959.46 × 1,200.28
4. Step 4: Simplify right side
   2,144.50x = 3,552,175.05
5. Step 5: Solve for x
   x = 3,552,175.05/2,144.50
6. Step 6: Final answer
   x = 1,656.42