Finding the Fourth Proportional to 1,361.94, 1,878.41 and 1,204.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,361.94 : 1,878.41 = 1,204.74 : x
2. Step 2: Convert to fraction form
   1,361.94/1,878.41 = 1,204.74/x
3. Step 3: Cross multiply
   1,361.94x = 1,878.41 × 1,204.74
4. Step 4: Simplify right side
   1,361.94x = 2,262,995.66
5. Step 5: Solve for x
   x = 2,262,995.66/1,361.94
6. Step 6: Final answer
   x = 1,661.60