Finding the Fourth Proportional to 2,664.66, 3,676.96 and 1,485.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,664.66 : 3,676.96 = 1,485.60 : x
2. Step 2: Convert to fraction form
   2,664.66/3,676.96 = 1,485.60/x
3. Step 3: Cross multiply
   2,664.66x = 3,676.96 × 1,485.60
4. Step 4: Simplify right side
   2,664.66x = 5,462,491.78
5. Step 5: Solve for x
   x = 5,462,491.78/2,664.66
6. Step 6: Final answer
   x = 2,049.98