Finding the Fourth Proportional to 2,277.62, 3,142.56 and 1,282.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,277.62 : 3,142.56 = 1,282.89 : x
2. Step 2: Convert to fraction form
   2,277.62/3,142.56 = 1,282.89/x
3. Step 3: Cross multiply
   2,277.62x = 3,142.56 × 1,282.89
4. Step 4: Simplify right side
   2,277.62x = 4,031,568.18
5. Step 5: Solve for x
   x = 4,031,568.18/2,277.62
6. Step 6: Final answer
   x = 1,770.08