Finding the Fourth Proportional to 1,298.07, 1,791.72 and 794.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,298.07 : 1,791.72 = 794.12 : x
2. Step 2: Convert to fraction form
   1,298.07/1,791.72 = 794.12/x
3. Step 3: Cross multiply
   1,298.07x = 1,791.72 × 794.12
4. Step 4: Simplify right side
   1,298.07x = 1,422,831.73
5. Step 5: Solve for x
   x = 1,422,831.73/1,298.07
6. Step 6: Final answer
   x = 1,096.11