Finding the Fourth Proportional to 1,361.34, 1,878.32 and 801.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,361.34 : 1,878.32 = 801.77 : x
2. Step 2: Convert to fraction form
   1,361.34/1,878.32 = 801.77/x
3. Step 3: Cross multiply
   1,361.34x = 1,878.32 × 801.77
4. Step 4: Simplify right side
   1,361.34x = 1,505,973.24
5. Step 5: Solve for x
   x = 1,505,973.24/1,361.34
6. Step 6: Final answer
   x = 1,106.24