Finding the Fourth Proportional to 2,271.09, 3,134.05 and 1,276.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,271.09 : 3,134.05 = 1,276.35 : x
2. Step 2: Convert to fraction form
   2,271.09/3,134.05 = 1,276.35/x
3. Step 3: Cross multiply
   2,271.09x = 3,134.05 × 1,276.35
4. Step 4: Simplify right side
   2,271.09x = 4,000,144.72
5. Step 5: Solve for x
   x = 4,000,144.72/2,271.09
6. Step 6: Final answer
   x = 1,761.33