Finding the Fourth Proportional to 2,429.49, 3,351.87 and 1,485.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.49 : 3,351.87 = 1,485.72 : x
2. Step 2: Convert to fraction form
   2,429.49/3,351.87 = 1,485.72/x
3. Step 3: Cross multiply
   2,429.49x = 3,351.87 × 1,485.72
4. Step 4: Simplify right side
   2,429.49x = 4,979,940.30
5. Step 5: Solve for x
   x = 4,979,940.30/2,429.49
6. Step 6: Final answer
   x = 2,049.79