Finding the Fourth Proportional to 1,394.06, 1,923.89 and 804.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,394.06 : 1,923.89 = 804.59 : x
2. Step 2: Convert to fraction form
   1,394.06/1,923.89 = 804.59/x
3. Step 3: Cross multiply
   1,394.06x = 1,923.89 × 804.59
4. Step 4: Simplify right side
   1,394.06x = 1,547,929.01
5. Step 5: Solve for x
   x = 1,547,929.01/1,394.06
6. Step 6: Final answer
   x = 1,110.38