Finding the Fourth Proportional to 2,276.38, 3,141.29 and 1,281.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276.38 : 3,141.29 = 1,281.63 : x
2. Step 2: Convert to fraction form
   2,276.38/3,141.29 = 1,281.63/x
3. Step 3: Cross multiply
   2,276.38x = 3,141.29 × 1,281.63
4. Step 4: Simplify right side
   2,276.38x = 4,025,949.39
5. Step 5: Solve for x
   x = 4,025,949.39/2,276.38
6. Step 6: Final answer
   x = 1,768.58