Finding the Fourth Proportional to 2,276.12, 3,141.22 and 1,281.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276.12 : 3,141.22 = 1,281.34 : x
2. Step 2: Convert to fraction form
   2,276.12/3,141.22 = 1,281.34/x
3. Step 3: Cross multiply
   2,276.12x = 3,141.22 × 1,281.34
4. Step 4: Simplify right side
   2,276.12x = 4,024,970.83
5. Step 5: Solve for x
   x = 4,024,970.83/2,276.12
6. Step 6: Final answer
   x = 1,768.35