Finding the Fourth Proportional to 1,423.31, 1,964.13 and 793.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,423.31 : 1,964.13 = 793.85 : x
2. Step 2: Convert to fraction form
   1,423.31/1,964.13 = 793.85/x
3. Step 3: Cross multiply
   1,423.31x = 1,964.13 × 793.85
4. Step 4: Simplify right side
   1,423.31x = 1,559,224.60
5. Step 5: Solve for x
   x = 1,559,224.60/1,423.31
6. Step 6: Final answer
   x = 1,095.49