Finding the Fourth Proportional to 1,365.93, 1,884.69 and 806.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,365.93 : 1,884.69 = 806.31 : x
2. Step 2: Convert to fraction form
   1,365.93/1,884.69 = 806.31/x
3. Step 3: Cross multiply
   1,365.93x = 1,884.69 × 806.31
4. Step 4: Simplify right side
   1,365.93x = 1,519,644.39
5. Step 5: Solve for x
   x = 1,519,644.39/1,365.93
6. Step 6: Final answer
   x = 1,112.53