Finding the Fourth Proportional to 2,480.18, 3,422.69 and 1,361.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,480.18 : 3,422.69 = 1,361.10 : x
2. Step 2: Convert to fraction form
   2,480.18/3,422.69 = 1,361.10/x
3. Step 3: Cross multiply
   2,480.18x = 3,422.69 × 1,361.10
4. Step 4: Simplify right side
   2,480.18x = 4,658,623.36
5. Step 5: Solve for x
   x = 4,658,623.36/2,480.18
6. Step 6: Final answer
   x = 1,878.34