Finding the Fourth Proportional to 2,276.76, 3,142.06 and 1,282.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276.76 : 3,142.06 = 1,282.10 : x
2. Step 2: Convert to fraction form
   2,276.76/3,142.06 = 1,282.10/x
3. Step 3: Cross multiply
   2,276.76x = 3,142.06 × 1,282.10
4. Step 4: Simplify right side
   2,276.76x = 4,028,435.13
5. Step 5: Solve for x
   x = 4,028,435.13/2,276.76
6. Step 6: Final answer
   x = 1,769.37