Finding the Fourth Proportional to 2,388.76, 3,296.48 and 1,340.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,388.76 : 3,296.48 = 1,340.82 : x
2. Step 2: Convert to fraction form
   2,388.76/3,296.48 = 1,340.82/x
3. Step 3: Cross multiply
   2,388.76x = 3,296.48 × 1,340.82
4. Step 4: Simplify right side
   2,388.76x = 4,419,986.31
5. Step 5: Solve for x
   x = 4,419,986.31/2,388.76
6. Step 6: Final answer
   x = 1,850.33