Finding the Fourth Proportional to 1,364.94, 1,883.61 and 805.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,364.94 : 1,883.61 = 805.50 : x
2. Step 2: Convert to fraction form
   1,364.94/1,883.61 = 805.50/x
3. Step 3: Cross multiply
   1,364.94x = 1,883.61 × 805.50
4. Step 4: Simplify right side
   1,364.94x = 1,517,247.86
5. Step 5: Solve for x
   x = 1,517,247.86/1,364.94
6. Step 6: Final answer
   x = 1,111.59