Finding the Fourth Proportional to 2,480.72, 3,422.82 and 1,485.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,480.72 : 3,422.82 = 1,485.62 : x
2. Step 2: Convert to fraction form
   2,480.72/3,422.82 = 1,485.62/x
3. Step 3: Cross multiply
   2,480.72x = 3,422.82 × 1,485.62
4. Step 4: Simplify right side
   2,480.72x = 5,085,009.85
5. Step 5: Solve for x
   x = 5,085,009.85/2,480.72
6. Step 6: Final answer
   x = 2,049.81