Finding the Fourth Proportional to 3,429.12, 5,143.98 and 1,481.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,429.12 : 5,143.98 = 1,481.34 : x
2. Step 2: Convert to fraction form
   3,429.12/5,143.98 = 1,481.34/x
3. Step 3: Cross multiply
   3,429.12x = 5,143.98 × 1,481.34
4. Step 4: Simplify right side
   3,429.12x = 7,619,983.33
5. Step 5: Solve for x
   x = 7,619,983.33/3,429.12
6. Step 6: Final answer
   x = 2,222.14