Finding the Fourth Proportional to 2,388.29, 3,295.86 and 1,340.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,388.29 : 3,295.86 = 1,340.60 : x
2. Step 2: Convert to fraction form
   2,388.29/3,295.86 = 1,340.60/x
3. Step 3: Cross multiply
   2,388.29x = 3,295.86 × 1,340.60
4. Step 4: Simplify right side
   2,388.29x = 4,418,429.92
5. Step 5: Solve for x
   x = 4,418,429.92/2,388.29
6. Step 6: Final answer
   x = 1,850.04