Finding the Fourth Proportional to 1,364.79, 1,883.55 and 805.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,364.79 : 1,883.55 = 805.44 : x
2. Step 2: Convert to fraction form
   1,364.79/1,883.55 = 805.44/x
3. Step 3: Cross multiply
   1,364.79x = 1,883.55 × 805.44
4. Step 4: Simplify right side
   1,364.79x = 1,517,086.51
5. Step 5: Solve for x
   x = 1,517,086.51/1,364.79
6. Step 6: Final answer
   x = 1,111.59