Finding the Fourth Proportional to 2,867.14, 4,300.94 and 1,223.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,867.14 : 4,300.94 = 1,223.71 : x
2. Step 2: Convert to fraction form
   2,867.14/4,300.94 = 1,223.71/x
3. Step 3: Cross multiply
   2,867.14x = 4,300.94 × 1,223.71
4. Step 4: Simplify right side
   2,867.14x = 5,263,081.78
5. Step 5: Solve for x
   x = 5,263,081.78/2,867.14
6. Step 6: Final answer
   x = 1,835.66