Finding the Fourth Proportional to 2,144.60, 2,959.52 and 1,200.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.60 : 2,959.52 = 1,200.37 : x
2. Step 2: Convert to fraction form
   2,144.60/2,959.52 = 1,200.37/x
3. Step 3: Cross multiply
   2,144.60x = 2,959.52 × 1,200.37
4. Step 4: Simplify right side
   2,144.60x = 3,552,519.02
5. Step 5: Solve for x
   x = 3,552,519.02/2,144.60
6. Step 6: Final answer
   x = 1,656.49