Finding the Fourth Proportional to 1,091.76, 1,506.12 and 796.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,091.76 : 1,506.12 = 796.92 : x
2. Step 2: Convert to fraction form
   1,091.76/1,506.12 = 796.92/x
3. Step 3: Cross multiply
   1,091.76x = 1,506.12 × 796.92
4. Step 4: Simplify right side
   1,091.76x = 1,200,257.15
5. Step 5: Solve for x
   x = 1,200,257.15/1,091.76
6. Step 6: Final answer
   x = 1,099.38