Finding the Fourth Proportional to 1,361.34, 1,878.66 and 801.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,361.34 : 1,878.66 = 801.82 : x
2. Step 2: Convert to fraction form
   1,361.34/1,878.66 = 801.82/x
3. Step 3: Cross multiply
   1,361.34x = 1,878.66 × 801.82
4. Step 4: Simplify right side
   1,361.34x = 1,506,347.16
5. Step 5: Solve for x
   x = 1,506,347.16/1,361.34
6. Step 6: Final answer
   x = 1,106.52