Finding the Fourth Proportional to 2,194.43, 3,028.28 and 1,310.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,194.43 : 3,028.28 = 1,310.06 : x
2. Step 2: Convert to fraction form
   2,194.43/3,028.28 = 1,310.06/x
3. Step 3: Cross multiply
   2,194.43x = 3,028.28 × 1,310.06
4. Step 4: Simplify right side
   2,194.43x = 3,967,229.52
5. Step 5: Solve for x
   x = 3,967,229.52/2,194.43
6. Step 6: Final answer
   x = 1,807.87