Finding the Fourth Proportional to 2,067.90, 3,101.20 and 1,093.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,067.90 : 3,101.20 = 1,093.47 : x
2. Step 2: Convert to fraction form
   2,067.90/3,101.20 = 1,093.47/x
3. Step 3: Cross multiply
   2,067.90x = 3,101.20 × 1,093.47
4. Step 4: Simplify right side
   2,067.90x = 3,391,069.16
5. Step 5: Solve for x
   x = 3,391,069.16/2,067.90
6. Step 6: Final answer
   x = 1,639.86