Finding the Fourth Proportional to 2,144.40, 2,959.14 and 1,200.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.40 : 2,959.14 = 1,200.03 : x
2. Step 2: Convert to fraction form
   2,144.40/2,959.14 = 1,200.03/x
3. Step 3: Cross multiply
   2,144.40x = 2,959.14 × 1,200.03
4. Step 4: Simplify right side
   2,144.40x = 3,551,056.77
5. Step 5: Solve for x
   x = 3,551,056.77/2,144.40
6. Step 6: Final answer
   x = 1,655.97