Finding the Fourth Proportional to 2,271.50, 3,134.32 and 1,276.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,271.50 : 3,134.32 = 1,276.58 : x
2. Step 2: Convert to fraction form
   2,271.50/3,134.32 = 1,276.58/x
3. Step 3: Cross multiply
   2,271.50x = 3,134.32 × 1,276.58
4. Step 4: Simplify right side
   2,271.50x = 4,001,210.23
5. Step 5: Solve for x
   x = 4,001,210.23/2,271.50
6. Step 6: Final answer
   x = 1,761.48