Finding the Fourth Proportional to 2,270.56, 3,146.56 and 2,242.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,270.56 : 3,146.56 = 2,242.72 : x
2. Step 2: Convert to fraction form
   2,270.56/3,146.56 = 2,242.72/x
3. Step 3: Cross multiply
   2,270.56x = 3,146.56 × 2,242.72
4. Step 4: Simplify right side
   2,270.56x = 7,056,853.04
5. Step 5: Solve for x
   x = 7,056,853.04/2,270.56
6. Step 6: Final answer
   x = 3,107.98