Finding the Fourth Proportional to 2,388.78, 3,296.46 and 1,341.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,388.78 : 3,296.46 = 1,341.18 : x
2. Step 2: Convert to fraction form
   2,388.78/3,296.46 = 1,341.18/x
3. Step 3: Cross multiply
   2,388.78x = 3,296.46 × 1,341.18
4. Step 4: Simplify right side
   2,388.78x = 4,421,146.22
5. Step 5: Solve for x
   x = 4,421,146.22/2,388.78
6. Step 6: Final answer
   x = 1,850.80