Finding the Fourth Proportional to 2,833.05, 4,250.78 and 1,426.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,833.05 : 4,250.78 = 1,426.74 : x
2. Step 2: Convert to fraction form
   2,833.05/4,250.78 = 1,426.74/x
3. Step 3: Cross multiply
   2,833.05x = 4,250.78 × 1,426.74
4. Step 4: Simplify right side
   2,833.05x = 6,064,757.86
5. Step 5: Solve for x
   x = 6,064,757.86/2,833.05
6. Step 6: Final answer
   x = 2,140.72