Finding the Fourth Proportional to 2,480.49, 3,423.15 and 1,361.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,480.49 : 3,423.15 = 1,361.50 : x
2. Step 2: Convert to fraction form
   2,480.49/3,423.15 = 1,361.50/x
3. Step 3: Cross multiply
   2,480.49x = 3,423.15 × 1,361.50
4. Step 4: Simplify right side
   2,480.49x = 4,660,610.17
5. Step 5: Solve for x
   x = 4,660,610.17/2,480.49
6. Step 6: Final answer
   x = 1,878.91