Finding the Fourth Proportional to 1,934.18, 2,668.46 and 1,271.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,934.18 : 2,668.46 = 1,271.40 : x
2. Step 2: Convert to fraction form
   1,934.18/2,668.46 = 1,271.40/x
3. Step 3: Cross multiply
   1,934.18x = 2,668.46 × 1,271.40
4. Step 4: Simplify right side
   1,934.18x = 3,392,680.04
5. Step 5: Solve for x
   x = 3,392,680.04/1,934.18
6. Step 6: Final answer
   x = 1,754.07