Finding the Fourth Proportional to 2,194.53, 3,028.56 and 1,298.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,194.53 : 3,028.56 = 1,298.31 : x
2. Step 2: Convert to fraction form
   2,194.53/3,028.56 = 1,298.31/x
3. Step 3: Cross multiply
   2,194.53x = 3,028.56 × 1,298.31
4. Step 4: Simplify right side
   2,194.53x = 3,932,009.73
5. Step 5: Solve for x
   x = 3,932,009.73/2,194.53
6. Step 6: Final answer
   x = 1,791.73