Finding the Fourth Proportional to 2,277.91, 3,142.96 and 1,282.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,277.91 : 3,142.96 = 1,282.83 : x
2. Step 2: Convert to fraction form
   2,277.91/3,142.96 = 1,282.83/x
3. Step 3: Cross multiply
   2,277.91x = 3,142.96 × 1,282.83
4. Step 4: Simplify right side
   2,277.91x = 4,031,883.38
5. Step 5: Solve for x
   x = 4,031,883.38/2,277.91
6. Step 6: Final answer
   x = 1,769.99