Finding the Fourth Proportional to 1,423.79, 1,964.63 and 794.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,423.79 : 1,964.63 = 794.24 : x
2. Step 2: Convert to fraction form
   1,423.79/1,964.63 = 794.24/x
3. Step 3: Cross multiply
   1,423.79x = 1,964.63 × 794.24
4. Step 4: Simplify right side
   1,423.79x = 1,560,387.73
5. Step 5: Solve for x
   x = 1,560,387.73/1,423.79
6. Step 6: Final answer
   x = 1,095.94