Finding the Fourth Proportional to 1,361.76, 1,878.62 and 1,046.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,361.76 : 1,878.62 = 1,046.46 : x
2. Step 2: Convert to fraction form
   1,361.76/1,878.62 = 1,046.46/x
3. Step 3: Cross multiply
   1,361.76x = 1,878.62 × 1,046.46
4. Step 4: Simplify right side
   1,361.76x = 1,965,900.69
5. Step 5: Solve for x
   x = 1,965,900.69/1,361.76
6. Step 6: Final answer
   x = 1,443.65