Finding the Fourth Proportional to 3,141.10, 4,227.52 and 3,141.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,141.10 : 4,227.52 = 3,141.10 : x
2. Step 2: Convert to fraction form
   3,141.10/4,227.52 = 3,141.10/x
3. Step 3: Cross multiply
   3,141.10x = 4,227.52 × 3,141.10
4. Step 4: Simplify right side
   3,141.10x = 13,279,063.07
5. Step 5: Solve for x
   x = 13,279,063.07/3,141.10
6. Step 6: Final answer
   x = 4,227.52