Finding the Fourth Proportional to 1,423.38, 1,964.04 and 793.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,423.38 : 1,964.04 = 793.80 : x
2. Step 2: Convert to fraction form
   1,423.38/1,964.04 = 793.80/x
3. Step 3: Cross multiply
   1,423.38x = 1,964.04 × 793.80
4. Step 4: Simplify right side
   1,423.38x = 1,559,054.95
5. Step 5: Solve for x
   x = 1,559,054.95/1,423.38
6. Step 6: Final answer
   x = 1,095.32