Finding the Fourth Proportional to 1,271.82, 1,754.78 and 740.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,271.82 : 1,754.78 = 740.52 : x
2. Step 2: Convert to fraction form
   1,271.82/1,754.78 = 740.52/x
3. Step 3: Cross multiply
   1,271.82x = 1,754.78 × 740.52
4. Step 4: Simplify right side
   1,271.82x = 1,299,449.69
5. Step 5: Solve for x
   x = 1,299,449.69/1,271.82
6. Step 6: Final answer
   x = 1,021.72