Finding the Fourth Proportional to 1,241.48, 1,711.98 and 798.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,241.48 : 1,711.98 = 798.59 : x
2. Step 2: Convert to fraction form
   1,241.48/1,711.98 = 798.59/x
3. Step 3: Cross multiply
   1,241.48x = 1,711.98 × 798.59
4. Step 4: Simplify right side
   1,241.48x = 1,367,161.55
5. Step 5: Solve for x
   x = 1,367,161.55/1,241.48
6. Step 6: Final answer
   x = 1,101.24