Finding the Fourth Proportional to 1,364.89, 1,883.46 and 805.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,364.89 : 1,883.46 = 805.38 : x
2. Step 2: Convert to fraction form
   1,364.89/1,883.46 = 805.38/x
3. Step 3: Cross multiply
   1,364.89x = 1,883.46 × 805.38
4. Step 4: Simplify right side
   1,364.89x = 1,516,891.60
5. Step 5: Solve for x
   x = 1,516,891.60/1,364.89
6. Step 6: Final answer
   x = 1,111.37