Finding the Fourth Proportional to 1,423.72, 1,964.54 and 794.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,423.72 : 1,964.54 = 794.22 : x
2. Step 2: Convert to fraction form
   1,423.72/1,964.54 = 794.22/x
3. Step 3: Cross multiply
   1,423.72x = 1,964.54 × 794.22
4. Step 4: Simplify right side
   1,423.72x = 1,560,276.96
5. Step 5: Solve for x
   x = 1,560,276.96/1,423.72
6. Step 6: Final answer
   x = 1,095.92