Finding the Fourth Proportional to 1,017.72, 1,522.62 and 796.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017.72 : 1,522.62 = 796.68 : x
2. Step 2: Convert to fraction form
   1,017.72/1,522.62 = 796.68/x
3. Step 3: Cross multiply
   1,017.72x = 1,522.62 × 796.68
4. Step 4: Simplify right side
   1,017.72x = 1,213,040.90
5. Step 5: Solve for x
   x = 1,213,040.90/1,017.72
6. Step 6: Final answer
   x = 1,191.92