Finding the Fourth Proportional to 3,429.98, 5,144.15 and 1,481.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,429.98 : 5,144.15 = 1,481.12 : x
2. Step 2: Convert to fraction form
   3,429.98/5,144.15 = 1,481.12/x
3. Step 3: Cross multiply
   3,429.98x = 5,144.15 × 1,481.12
4. Step 4: Simplify right side
   3,429.98x = 7,619,070.32
5. Step 5: Solve for x
   x = 7,619,070.32/3,429.98
6. Step 6: Final answer
   x = 2,221.32