Finding the Fourth Proportional to 2,271.55, 3,134.83 and 1,276.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,271.55 : 3,134.83 = 1,276.83 : x
2. Step 2: Convert to fraction form
   2,271.55/3,134.83 = 1,276.83/x
3. Step 3: Cross multiply
   2,271.55x = 3,134.83 × 1,276.83
4. Step 4: Simplify right side
   2,271.55x = 4,002,634.83
5. Step 5: Solve for x
   x = 4,002,634.83/2,271.55
6. Step 6: Final answer
   x = 1,762.07