Finding the Fourth Proportional to 1,271.27, 1,753.83 and 773.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,271.27 : 1,753.83 = 773.84 : x
2. Step 2: Convert to fraction form
   1,271.27/1,753.83 = 773.84/x
3. Step 3: Cross multiply
   1,271.27x = 1,753.83 × 773.84
4. Step 4: Simplify right side
   1,271.27x = 1,357,188.19
5. Step 5: Solve for x
   x = 1,357,188.19/1,271.27
6. Step 6: Final answer
   x = 1,067.58