Finding the Fourth Proportional to 2,144.41, 2,959.34 and 1,200.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.41 : 2,959.34 = 1,200.16 : x
2. Step 2: Convert to fraction form
   2,144.41/2,959.34 = 1,200.16/x
3. Step 3: Cross multiply
   2,144.41x = 2,959.34 × 1,200.16
4. Step 4: Simplify right side
   2,144.41x = 3,551,681.49
5. Step 5: Solve for x
   x = 3,551,681.49/2,144.41
6. Step 6: Final answer
   x = 1,656.25