Finding the Fourth Proportional to 1,271.03, 1,754.01 and 711.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,271.03 : 1,754.01 = 711.50 : x
2. Step 2: Convert to fraction form
   1,271.03/1,754.01 = 711.50/x
3. Step 3: Cross multiply
   1,271.03x = 1,754.01 × 711.50
4. Step 4: Simplify right side
   1,271.03x = 1,247,969.34
5. Step 5: Solve for x
   x = 1,247,969.34/1,271.03
6. Step 6: Final answer
   x = 981.86