Finding the Fourth Proportional to 1,394.52, 1,924.42 and 805.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,394.52 : 1,924.42 = 805.04 : x
2. Step 2: Convert to fraction form
   1,394.52/1,924.42 = 805.04/x
3. Step 3: Cross multiply
   1,394.52x = 1,924.42 × 805.04
4. Step 4: Simplify right side
   1,394.52x = 1,549,229.90
5. Step 5: Solve for x
   x = 1,549,229.90/1,394.52
6. Step 6: Final answer
   x = 1,110.94