Finding the Fourth Proportional to 2,276.83, 3,142.13 and 1,282.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276.83 : 3,142.13 = 1,282.18 : x
2. Step 2: Convert to fraction form
   2,276.83/3,142.13 = 1,282.18/x
3. Step 3: Cross multiply
   2,276.83x = 3,142.13 × 1,282.18
4. Step 4: Simplify right side
   2,276.83x = 4,028,767.39
5. Step 5: Solve for x
   x = 4,028,767.39/2,276.83
6. Step 6: Final answer
   x = 1,769.46