Finding the Fourth Proportional to 1,394.25, 1,922.73 and 1,079.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,394.25 : 1,922.73 = 1,079.03 : x
2. Step 2: Convert to fraction form
   1,394.25/1,922.73 = 1,079.03/x
3. Step 3: Cross multiply
   1,394.25x = 1,922.73 × 1,079.03
4. Step 4: Simplify right side
   1,394.25x = 2,074,683.35
5. Step 5: Solve for x
   x = 2,074,683.35/1,394.25
6. Step 6: Final answer
   x = 1,488.03