Finding the Fourth Proportional to 1,423.34, 1,964.33 and 793.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,423.34 : 1,964.33 = 793.90 : x
2. Step 2: Convert to fraction form
   1,423.34/1,964.33 = 793.90/x
3. Step 3: Cross multiply
   1,423.34x = 1,964.33 × 793.90
4. Step 4: Simplify right side
   1,423.34x = 1,559,481.59
5. Step 5: Solve for x
   x = 1,559,481.59/1,423.34
6. Step 6: Final answer
   x = 1,095.65