Finding the Fourth Proportional to 2,485.82, 3,429.58 and 1,491.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485.82 : 3,429.58 = 1,491.44 : x
2. Step 2: Convert to fraction form
   2,485.82/3,429.58 = 1,491.44/x
3. Step 3: Cross multiply
   2,485.82x = 3,429.58 × 1,491.44
4. Step 4: Simplify right side
   2,485.82x = 5,115,012.80
5. Step 5: Solve for x
   x = 5,115,012.80/2,485.82
6. Step 6: Final answer
   x = 2,057.68