Finding the Fourth Proportional to 1,271.58, 1,754.03 and 773.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,271.58 : 1,754.03 = 773.82 : x
2. Step 2: Convert to fraction form
   1,271.58/1,754.03 = 773.82/x
3. Step 3: Cross multiply
   1,271.58x = 1,754.03 × 773.82
4. Step 4: Simplify right side
   1,271.58x = 1,357,303.49
5. Step 5: Solve for x
   x = 1,357,303.49/1,271.58
6. Step 6: Final answer
   x = 1,067.41