Finding the Fourth Proportional to 2,193.82, 3,027.31 and 1,309.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,193.82 : 3,027.31 = 1,309.43 : x
2. Step 2: Convert to fraction form
   2,193.82/3,027.31 = 1,309.43/x
3. Step 3: Cross multiply
   2,193.82x = 3,027.31 × 1,309.43
4. Step 4: Simplify right side
   2,193.82x = 3,964,054.83
5. Step 5: Solve for x
   x = 3,964,054.83/2,193.82
6. Step 6: Final answer
   x = 1,806.92