Finding the Fourth Proportional to 2,276.20, 3,141.18 and 1,281.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276.20 : 3,141.18 = 1,281.29 : x
2. Step 2: Convert to fraction form
   2,276.20/3,141.18 = 1,281.29/x
3. Step 3: Cross multiply
   2,276.20x = 3,141.18 × 1,281.29
4. Step 4: Simplify right side
   2,276.20x = 4,024,746.82
5. Step 5: Solve for x
   x = 4,024,746.82/2,276.20
6. Step 6: Final answer
   x = 1,768.19