Finding the Fourth Proportional to 2,410.38, 3,608.28 and 1,438.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,410.38 : 3,608.28 = 1,438.38 : x
2. Step 2: Convert to fraction form
   2,410.38/3,608.28 = 1,438.38/x
3. Step 3: Cross multiply
   2,410.38x = 3,608.28 × 1,438.38
4. Step 4: Simplify right side
   2,410.38x = 5,190,077.79
5. Step 5: Solve for x
   x = 5,190,077.79/2,410.38
6. Step 6: Final answer
   x = 2,153.22