Finding the Fourth Proportional to 1,423.29, 1,964.16 and 793.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,423.29 : 1,964.16 = 793.88 : x
2. Step 2: Convert to fraction form
   1,423.29/1,964.16 = 793.88/x
3. Step 3: Cross multiply
   1,423.29x = 1,964.16 × 793.88
4. Step 4: Simplify right side
   1,423.29x = 1,559,293.55
5. Step 5: Solve for x
   x = 1,559,293.55/1,423.29
6. Step 6: Final answer
   x = 1,095.56