Finding the Fourth Proportional to 2,663.91, 3,676.25 and 1,485.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,663.91 : 3,676.25 = 1,485.07 : x
2. Step 2: Convert to fraction form
   2,663.91/3,676.25 = 1,485.07/x
3. Step 3: Cross multiply
   2,663.91x = 3,676.25 × 1,485.07
4. Step 4: Simplify right side
   2,663.91x = 5,459,483.11
5. Step 5: Solve for x
   x = 5,459,483.11/2,663.91
6. Step 6: Final answer
   x = 2,049.42