Finding the Fourth Proportional to 2,277, 3,142.56 and 1,345.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,277 : 3,142.56 = 1,345.56 : x
2. Step 2: Convert to fraction form
   2,277/3,142.56 = 1,345.56/x
3. Step 3: Cross multiply
   2,277x = 3,142.56 × 1,345.56
4. Step 4: Simplify right side
   2,277x = 4,228,503.03
5. Step 5: Solve for x
   x = 4,228,503.03/2,277
6. Step 6: Final answer
   x = 1,857.05