Finding the Fourth Proportional to 2,665.96, 3,678.87 and 1,487.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665.96 : 3,678.87 = 1,487.02 : x
2. Step 2: Convert to fraction form
   2,665.96/3,678.87 = 1,487.02/x
3. Step 3: Cross multiply
   2,665.96x = 3,678.87 × 1,487.02
4. Step 4: Simplify right side
   2,665.96x = 5,470,553.27
5. Step 5: Solve for x
   x = 5,470,553.27/2,665.96
6. Step 6: Final answer
   x = 2,052.00