Finding the Fourth Proportional to 1,361.41, 1,878.46 and 801.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,361.41 : 1,878.46 = 801.50 : x
2. Step 2: Convert to fraction form
   1,361.41/1,878.46 = 801.50/x
3. Step 3: Cross multiply
   1,361.41x = 1,878.46 × 801.50
4. Step 4: Simplify right side
   1,361.41x = 1,505,574.29
5. Step 5: Solve for x
   x = 1,505,574.29/1,361.41
6. Step 6: Final answer
   x = 1,105.90