Finding the Fourth Proportional to 1,271.33, 1,754.41 and 711.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,271.33 : 1,754.41 = 711.82 : x
2. Step 2: Convert to fraction form
   1,271.33/1,754.41 = 711.82/x
3. Step 3: Cross multiply
   1,271.33x = 1,754.41 × 711.82
4. Step 4: Simplify right side
   1,271.33x = 1,248,811.80
5. Step 5: Solve for x
   x = 1,248,811.80/1,271.33
6. Step 6: Final answer
   x = 982.29