Finding the Fourth Proportional to 3,401.78, 5,103.46 and 1,454.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,401.78 : 5,103.46 = 1,454.12 : x
2. Step 2: Convert to fraction form
   3,401.78/5,103.46 = 1,454.12/x
3. Step 3: Cross multiply
   3,401.78x = 5,103.46 × 1,454.12
4. Step 4: Simplify right side
   3,401.78x = 7,421,043.26
5. Step 5: Solve for x
   x = 7,421,043.26/3,401.78
6. Step 6: Final answer
   x = 2,181.52