Finding the Fourth Proportional to 2,388.05, 3,295.46 and 1,340.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,388.05 : 3,295.46 = 1,340.09 : x
2. Step 2: Convert to fraction form
   2,388.05/3,295.46 = 1,340.09/x
3. Step 3: Cross multiply
   2,388.05x = 3,295.46 × 1,340.09
4. Step 4: Simplify right side
   2,388.05x = 4,416,199.86
5. Step 5: Solve for x
   x = 4,416,199.86/2,388.05
6. Step 6: Final answer
   x = 1,849.30