Finding the Fourth Proportional to 2,459.51, 3,393.82 and 1,396.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,459.51 : 3,393.82 = 1,396.89 : x
2. Step 2: Convert to fraction form
   2,459.51/3,393.82 = 1,396.89/x
3. Step 3: Cross multiply
   2,459.51x = 3,393.82 × 1,396.89
4. Step 4: Simplify right side
   2,459.51x = 4,740,793.22
5. Step 5: Solve for x
   x = 4,740,793.22/2,459.51
6. Step 6: Final answer
   x = 1,927.54