Finding the Fourth Proportional to 2,277.27, 3,142.60 and 1,282.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,277.27 : 3,142.60 = 1,282.65 : x
2. Step 2: Convert to fraction form
   2,277.27/3,142.60 = 1,282.65/x
3. Step 3: Cross multiply
   2,277.27x = 3,142.60 × 1,282.65
4. Step 4: Simplify right side
   2,277.27x = 4,030,833.76
5. Step 5: Solve for x
   x = 4,030,833.76/2,277.27
6. Step 6: Final answer
   x = 1,770.03