Finding the Fourth Proportional to 3,402.56, 5,104.71 and 1,427.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,402.56 : 5,104.71 = 1,427.12 : x
2. Step 2: Convert to fraction form
   3,402.56/5,104.71 = 1,427.12/x
3. Step 3: Cross multiply
   3,402.56x = 5,104.71 × 1,427.12
4. Step 4: Simplify right side
   3,402.56x = 7,285,033.74
5. Step 5: Solve for x
   x = 7,285,033.74/3,402.56
6. Step 6: Final answer
   x = 2,141.04