Finding the Fourth Proportional to 1,360.86, 1,877.88 and 801.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,360.86 : 1,877.88 = 801.24 : x
2. Step 2: Convert to fraction form
   1,360.86/1,877.88 = 801.24/x
3. Step 3: Cross multiply
   1,360.86x = 1,877.88 × 801.24
4. Step 4: Simplify right side
   1,360.86x = 1,504,632.57
5. Step 5: Solve for x
   x = 1,504,632.57/1,360.86
6. Step 6: Final answer
   x = 1,105.65