Finding the Fourth Proportional to 2,664.30, 3,676.55 and 1,485.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,664.30 : 3,676.55 = 1,485.30 : x
2. Step 2: Convert to fraction form
   2,664.30/3,676.55 = 1,485.30/x
3. Step 3: Cross multiply
   2,664.30x = 3,676.55 × 1,485.30
4. Step 4: Simplify right side
   2,664.30x = 5,460,779.72
5. Step 5: Solve for x
   x = 5,460,779.72/2,664.30
6. Step 6: Final answer
   x = 2,049.61