Finding the Fourth Proportional to 2,271.34, 3,134.49 and 1,276.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,271.34 : 3,134.49 = 1,276.69 : x
2. Step 2: Convert to fraction form
   2,271.34/3,134.49 = 1,276.69/x
3. Step 3: Cross multiply
   2,271.34x = 3,134.49 × 1,276.69
4. Step 4: Simplify right side
   2,271.34x = 4,001,772.04
5. Step 5: Solve for x
   x = 4,001,772.04/2,271.34
6. Step 6: Final answer
   x = 1,761.86