Finding the Fourth Proportional to 2,399.41, 3,307.39 and 1,808.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.41 : 3,307.39 = 1,808.92 : x
2. Step 2: Convert to fraction form
   2,399.41/3,307.39 = 1,808.92/x
3. Step 3: Cross multiply
   2,399.41x = 3,307.39 × 1,808.92
4. Step 4: Simplify right side
   2,399.41x = 5,982,803.92
5. Step 5: Solve for x
   x = 5,982,803.92/2,399.41
6. Step 6: Final answer
   x = 2,493.45