Finding the Fourth Proportional to 1,271.43, 1,753.83 and 773.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,271.43 : 1,753.83 = 773.82 : x
2. Step 2: Convert to fraction form
   1,271.43/1,753.83 = 773.82/x
3. Step 3: Cross multiply
   1,271.43x = 1,753.83 × 773.82
4. Step 4: Simplify right side
   1,271.43x = 1,357,148.73
5. Step 5: Solve for x
   x = 1,357,148.73/1,271.43
6. Step 6: Final answer
   x = 1,067.42