Finding the Fourth Proportional to 1,423.86, 1,964.94 and 794.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,423.86 : 1,964.94 = 794.42 : x
2. Step 2: Convert to fraction form
   1,423.86/1,964.94 = 794.42/x
3. Step 3: Cross multiply
   1,423.86x = 1,964.94 × 794.42
4. Step 4: Simplify right side
   1,423.86x = 1,560,987.76
5. Step 5: Solve for x
   x = 1,560,987.76/1,423.86
6. Step 6: Final answer
   x = 1,096.31