Finding the Fourth Proportional to 1,360.89, 1,877.63 and 801.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,360.89 : 1,877.63 = 801.41 : x
2. Step 2: Convert to fraction form
   1,360.89/1,877.63 = 801.41/x
3. Step 3: Cross multiply
   1,360.89x = 1,877.63 × 801.41
4. Step 4: Simplify right side
   1,360.89x = 1,504,738.06
5. Step 5: Solve for x
   x = 1,504,738.06/1,360.89
6. Step 6: Final answer
   x = 1,105.70