Finding the Fourth Proportional to 2,271.40, 3,134.30 and 1,276.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,271.40 : 3,134.30 = 1,276.52 : x
2. Step 2: Convert to fraction form
   2,271.40/3,134.30 = 1,276.52/x
3. Step 3: Cross multiply
   2,271.40x = 3,134.30 × 1,276.52
4. Step 4: Simplify right side
   2,271.40x = 4,000,996.64
5. Step 5: Solve for x
   x = 4,000,996.64/2,271.40
6. Step 6: Final answer
   x = 1,761.47