Finding the Fourth Proportional to 2,396.79, 3,308.45 and 1,808.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,396.79 : 3,308.45 = 1,808.73 : x
2. Step 2: Convert to fraction form
   2,396.79/3,308.45 = 1,808.73/x
3. Step 3: Cross multiply
   2,396.79x = 3,308.45 × 1,808.73
4. Step 4: Simplify right side
   2,396.79x = 5,984,083.72
5. Step 5: Solve for x
   x = 5,984,083.72/2,396.79
6. Step 6: Final answer
   x = 2,496.71