Finding the Fourth Proportional to 2,198.86, 3,283.37 and 1,783.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,198.86 : 3,283.37 = 1,783.36 : x
2. Step 2: Convert to fraction form
   2,198.86/3,283.37 = 1,783.36/x
3. Step 3: Cross multiply
   2,198.86x = 3,283.37 × 1,783.36
4. Step 4: Simplify right side
   2,198.86x = 5,855,430.72
5. Step 5: Solve for x
   x = 5,855,430.72/2,198.86
6. Step 6: Final answer
   x = 2,662.94