Finding the Fourth Proportional to 2,469.54, 3,407.82 and 1,447.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,469.54 : 3,407.82 = 1,447.80 : x
2. Step 2: Convert to fraction form
   2,469.54/3,407.82 = 1,447.80/x
3. Step 3: Cross multiply
   2,469.54x = 3,407.82 × 1,447.80
4. Step 4: Simplify right side
   2,469.54x = 4,933,841.80
5. Step 5: Solve for x
   x = 4,933,841.80/2,469.54
6. Step 6: Final answer
   x = 1,997.88