Finding the Fourth Proportional to 2,448.42, 3,368.94 and 2,390.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,448.42 : 3,368.94 = 2,390.10 : x
2. Step 2: Convert to fraction form
   2,448.42/3,368.94 = 2,390.10/x
3. Step 3: Cross multiply
   2,448.42x = 3,368.94 × 2,390.10
4. Step 4: Simplify right side
   2,448.42x = 8,052,103.49
5. Step 5: Solve for x
   x = 8,052,103.49/2,448.42
6. Step 6: Final answer
   x = 3,288.69