Finding the Fourth Proportional to 3,402.12, 5,103.47 and 1,454.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,402.12 : 5,103.47 = 1,454.34 : x
2. Step 2: Convert to fraction form
   3,402.12/5,103.47 = 1,454.34/x
3. Step 3: Cross multiply
   3,402.12x = 5,103.47 × 1,454.34
4. Step 4: Simplify right side
   3,402.12x = 7,422,180.56
5. Step 5: Solve for x
   x = 7,422,180.56/3,402.12
6. Step 6: Final answer
   x = 2,181.63