Finding the Fourth Proportional to 2,327.31, 3,487.79 and 1,340.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,327.31 : 3,487.79 = 1,340.43 : x
2. Step 2: Convert to fraction form
   2,327.31/3,487.79 = 1,340.43/x
3. Step 3: Cross multiply
   2,327.31x = 3,487.79 × 1,340.43
4. Step 4: Simplify right side
   2,327.31x = 4,675,131.65
5. Step 5: Solve for x
   x = 4,675,131.65/2,327.31
6. Step 6: Final answer
   x = 2,008.81