Finding the Fourth Proportional to 1,131.08, 1,559.28 and 798.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.08 : 1,559.28 = 798.52 : x
2. Step 2: Convert to fraction form
   1,131.08/1,559.28 = 798.52/x
3. Step 3: Cross multiply
   1,131.08x = 1,559.28 × 798.52
4. Step 4: Simplify right side
   1,131.08x = 1,245,116.27
5. Step 5: Solve for x
   x = 1,245,116.27/1,131.08
6. Step 6: Final answer
   x = 1,100.82