Finding the Fourth Proportional to 2,180.52, 3,268.69 and 1,398.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180.52 : 3,268.69 = 1,398.33 : x
2. Step 2: Convert to fraction form
   2,180.52/3,268.69 = 1,398.33/x
3. Step 3: Cross multiply
   2,180.52x = 3,268.69 × 1,398.33
4. Step 4: Simplify right side
   2,180.52x = 4,570,703.79
5. Step 5: Solve for x
   x = 4,570,703.79/2,180.52
6. Step 6: Final answer
   x = 2,096.15