Finding the Fourth Proportional to 834.76, 1,144.79 and 799.72

Step by Step Solution

1. Step 1: Write the proportion equation
   834.76 : 1,144.79 = 799.72 : x
2. Step 2: Convert to fraction form
   834.76/1,144.79 = 799.72/x
3. Step 3: Cross multiply
   834.76x = 1,144.79 × 799.72
4. Step 4: Simplify right side
   834.76x = 915,511.46
5. Step 5: Solve for x
   x = 915,511.46/834.76
6. Step 6: Final answer
   x = 1,096.74