Finding the Fourth Proportional to 1,361.32, 1,878.12 and 801.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,361.32 : 1,878.12 = 801.44 : x
2. Step 2: Convert to fraction form
   1,361.32/1,878.12 = 801.44/x
3. Step 3: Cross multiply
   1,361.32x = 1,878.12 × 801.44
4. Step 4: Simplify right side
   1,361.32x = 1,505,200.49
5. Step 5: Solve for x
   x = 1,505,200.49/1,361.32
6. Step 6: Final answer
   x = 1,105.69