Finding the Fourth Proportional to 2,664.38, 3,676.79 and 1,485.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,664.38 : 3,676.79 = 1,485.43 : x
2. Step 2: Convert to fraction form
   2,664.38/3,676.79 = 1,485.43/x
3. Step 3: Cross multiply
   2,664.38x = 3,676.79 × 1,485.43
4. Step 4: Simplify right side
   2,664.38x = 5,461,608.69
5. Step 5: Solve for x
   x = 5,461,608.69/2,664.38
6. Step 6: Final answer
   x = 2,049.86