Finding the Fourth Proportional to 1,017.81, 1,403.05 and 796.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017.81 : 1,403.05 = 796.38 : x
2. Step 2: Convert to fraction form
   1,017.81/1,403.05 = 796.38/x
3. Step 3: Cross multiply
   1,017.81x = 1,403.05 × 796.38
4. Step 4: Simplify right side
   1,017.81x = 1,117,360.27
5. Step 5: Solve for x
   x = 1,117,360.27/1,017.81
6. Step 6: Final answer
   x = 1,097.81