Finding the Fourth Proportional to 2,663.56, 3,675.92 and 1,485

Step by Step Solution

1. Step 1: Write the proportion equation
   2,663.56 : 3,675.92 = 1,485 : x
2. Step 2: Convert to fraction form
   2,663.56/3,675.92 = 1,485/x
3. Step 3: Cross multiply
   2,663.56x = 3,675.92 × 1,485
4. Step 4: Simplify right side
   2,663.56x = 5,458,741.20
5. Step 5: Solve for x
   x = 5,458,741.20/2,663.56
6. Step 6: Final answer
   x = 2,049.42