Finding the Fourth Proportional to 2,144.19, 2,959.05 and 1,200.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.19 : 2,959.05 = 1,200.02 : x
2. Step 2: Convert to fraction form
   2,144.19/2,959.05 = 1,200.02/x
3. Step 3: Cross multiply
   2,144.19x = 2,959.05 × 1,200.02
4. Step 4: Simplify right side
   2,144.19x = 3,550,918.78
5. Step 5: Solve for x
   x = 3,550,918.78/2,144.19
6. Step 6: Final answer
   x = 1,656.06