Finding the Fourth Proportional to 2,480.83, 3,423.40 and 1,485.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,480.83 : 3,423.40 = 1,485.88 : x
2. Step 2: Convert to fraction form
   2,480.83/3,423.40 = 1,485.88/x
3. Step 3: Cross multiply
   2,480.83x = 3,423.40 × 1,485.88
4. Step 4: Simplify right side
   2,480.83x = 5,086,761.59
5. Step 5: Solve for x
   x = 5,086,761.59/2,480.83
6. Step 6: Final answer
   x = 2,050.43