Finding the Fourth Proportional to 2,198.78, 3,034.25 and 1,314.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,198.78 : 3,034.25 = 1,314.06 : x
2. Step 2: Convert to fraction form
   2,198.78/3,034.25 = 1,314.06/x
3. Step 3: Cross multiply
   2,198.78x = 3,034.25 × 1,314.06
4. Step 4: Simplify right side
   2,198.78x = 3,987,186.56
5. Step 5: Solve for x
   x = 3,987,186.56/2,198.78
6. Step 6: Final answer
   x = 1,813.36