Finding the Fourth Proportional to 1,380.57, 2,069.83 and 794.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,380.57 : 2,069.83 = 794.73 : x
2. Step 2: Convert to fraction form
   1,380.57/2,069.83 = 794.73/x
3. Step 3: Cross multiply
   1,380.57x = 2,069.83 × 794.73
4. Step 4: Simplify right side
   1,380.57x = 1,644,956.00
5. Step 5: Solve for x
   x = 1,644,956.00/1,380.57
6. Step 6: Final answer
   x = 1,191.50