Finding the Fourth Proportional to 2,389.10, 3,296.90 and 1,341.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389.10 : 3,296.90 = 1,341.16 : x
2. Step 2: Convert to fraction form
   2,389.10/3,296.90 = 1,341.16/x
3. Step 3: Cross multiply
   2,389.10x = 3,296.90 × 1,341.16
4. Step 4: Simplify right side
   2,389.10x = 4,421,665.51
5. Step 5: Solve for x
   x = 4,421,665.51/2,389.10
6. Step 6: Final answer
   x = 1,850.77