Finding the Fourth Proportional to 2,327.97, 3,212.43 and 1,383.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,327.97 : 3,212.43 = 1,383.72 : x
2. Step 2: Convert to fraction form
   2,327.97/3,212.43 = 1,383.72/x
3. Step 3: Cross multiply
   2,327.97x = 3,212.43 × 1,383.72
4. Step 4: Simplify right side
   2,327.97x = 4,445,103.64
5. Step 5: Solve for x
   x = 4,445,103.64/2,327.97
6. Step 6: Final answer
   x = 1,909.43