Finding the Fourth Proportional to 1,127.71, 1,556.27 and 796.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,127.71 : 1,556.27 = 796.72 : x
2. Step 2: Convert to fraction form
   1,127.71/1,556.27 = 796.72/x
3. Step 3: Cross multiply
   1,127.71x = 1,556.27 × 796.72
4. Step 4: Simplify right side
   1,127.71x = 1,239,907.45
5. Step 5: Solve for x
   x = 1,239,907.45/1,127.71
6. Step 6: Final answer
   x = 1,099.49