Finding the Fourth Proportional to 2,664.15, 3,676.47 and 1,485.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,664.15 : 3,676.47 = 1,485.15 : x
2. Step 2: Convert to fraction form
   2,664.15/3,676.47 = 1,485.15/x
3. Step 3: Cross multiply
   2,664.15x = 3,676.47 × 1,485.15
4. Step 4: Simplify right side
   2,664.15x = 5,460,109.42
5. Step 5: Solve for x
   x = 5,460,109.42/2,664.15
6. Step 6: Final answer
   x = 2,049.48