Finding the Fourth Proportional to 2,276.17, 3,141.12 and 1,281.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276.17 : 3,141.12 = 1,281.46 : x
2. Step 2: Convert to fraction form
   2,276.17/3,141.12 = 1,281.46/x
3. Step 3: Cross multiply
   2,276.17x = 3,141.12 × 1,281.46
4. Step 4: Simplify right side
   2,276.17x = 4,025,219.64
5. Step 5: Solve for x
   x = 4,025,219.64/2,276.17
6. Step 6: Final answer
   x = 1,768.42