Finding the Fourth Proportional to 2,144.34, 2,959.24 and 1,200.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.34 : 2,959.24 = 1,200.10 : x
2. Step 2: Convert to fraction form
   2,144.34/2,959.24 = 1,200.10/x
3. Step 3: Cross multiply
   2,144.34x = 2,959.24 × 1,200.10
4. Step 4: Simplify right side
   2,144.34x = 3,551,383.92
5. Step 5: Solve for x
   x = 3,551,383.92/2,144.34
6. Step 6: Final answer
   x = 1,656.17