Finding the Fourth Proportional to 2,276.90, 3,142.02 and 1,282.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276.90 : 3,142.02 = 1,282.22 : x
2. Step 2: Convert to fraction form
   2,276.90/3,142.02 = 1,282.22/x
3. Step 3: Cross multiply
   2,276.90x = 3,142.02 × 1,282.22
4. Step 4: Simplify right side
   2,276.90x = 4,028,760.88
5. Step 5: Solve for x
   x = 4,028,760.88/2,276.90
6. Step 6: Final answer
   x = 1,769.41