Finding the Fourth Proportional to 1,423.32, 1,964.16 and 793.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,423.32 : 1,964.16 = 793.77 : x
2. Step 2: Convert to fraction form
   1,423.32/1,964.16 = 793.77/x
3. Step 3: Cross multiply
   1,423.32x = 1,964.16 × 793.77
4. Step 4: Simplify right side
   1,423.32x = 1,559,091.28
5. Step 5: Solve for x
   x = 1,559,091.28/1,423.32
6. Step 6: Final answer
   x = 1,095.39