Finding the Fourth Proportional to 2,663.97, 3,676.32 and 1,485

Step by Step Solution

1. Step 1: Write the proportion equation
   2,663.97 : 3,676.32 = 1,485 : x
2. Step 2: Convert to fraction form
   2,663.97/3,676.32 = 1,485/x
3. Step 3: Cross multiply
   2,663.97x = 3,676.32 × 1,485
4. Step 4: Simplify right side
   2,663.97x = 5,459,335.20
5. Step 5: Solve for x
   x = 5,459,335.20/2,663.97
6. Step 6: Final answer
   x = 2,049.32