Finding the Fourth Proportional to 2,271.30, 3,134.42 and 1,276.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,271.30 : 3,134.42 = 1,276.59 : x
2. Step 2: Convert to fraction form
   2,271.30/3,134.42 = 1,276.59/x
3. Step 3: Cross multiply
   2,271.30x = 3,134.42 × 1,276.59
4. Step 4: Simplify right side
   2,271.30x = 4,001,362.84
5. Step 5: Solve for x
   x = 4,001,362.84/2,271.30
6. Step 6: Final answer
   x = 1,761.71