Finding the Fourth Proportional to 3,401.87, 5,103.25 and 1,427.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,401.87 : 5,103.25 = 1,427.18 : x
2. Step 2: Convert to fraction form
   3,401.87/5,103.25 = 1,427.18/x
3. Step 3: Cross multiply
   3,401.87x = 5,103.25 × 1,427.18
4. Step 4: Simplify right side
   3,401.87x = 7,283,227.25
5. Step 5: Solve for x
   x = 7,283,227.25/3,401.87
6. Step 6: Final answer
   x = 2,140.95