Finding the Fourth Proportional to 2,276.32, 3,141.42 and 1,282

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276.32 : 3,141.42 = 1,282 : x
2. Step 2: Convert to fraction form
   2,276.32/3,141.42 = 1,282/x
3. Step 3: Cross multiply
   2,276.32x = 3,141.42 × 1,282
4. Step 4: Simplify right side
   2,276.32x = 4,027,300.44
5. Step 5: Solve for x
   x = 4,027,300.44/2,276.32
6. Step 6: Final answer
   x = 1,769.22