Finding the Fourth Proportional to 2,459.35, 3,393.61 and 1,396.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,459.35 : 3,393.61 = 1,396.73 : x
2. Step 2: Convert to fraction form
   2,459.35/3,393.61 = 1,396.73/x
3. Step 3: Cross multiply
   2,459.35x = 3,393.61 × 1,396.73
4. Step 4: Simplify right side
   2,459.35x = 4,739,956.90
5. Step 5: Solve for x
   x = 4,739,956.90/2,459.35
6. Step 6: Final answer
   x = 1,927.32