Finding the Fourth Proportional to 2,459.35, 3,396.31 and 2,103.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,459.35 : 3,396.31 = 2,103.21 : x
2. Step 2: Convert to fraction form
   2,459.35/3,396.31 = 2,103.21/x
3. Step 3: Cross multiply
   2,459.35x = 3,396.31 × 2,103.21
4. Step 4: Simplify right side
   2,459.35x = 7,143,153.16
5. Step 5: Solve for x
   x = 7,143,153.16/2,459.35
6. Step 6: Final answer
   x = 2,904.49