Finding the Fourth Proportional to 1,363.98, 1,882.77 and 804.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,363.98 : 1,882.77 = 804.78 : x
2. Step 2: Convert to fraction form
   1,363.98/1,882.77 = 804.78/x
3. Step 3: Cross multiply
   1,363.98x = 1,882.77 × 804.78
4. Step 4: Simplify right side
   1,363.98x = 1,515,215.64
5. Step 5: Solve for x
   x = 1,515,215.64/1,363.98
6. Step 6: Final answer
   x = 1,110.88