Finding the Fourth Proportional to 2,665.14, 3,677.89 and 1,486.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665.14 : 3,677.89 = 1,486.21 : x
2. Step 2: Convert to fraction form
   2,665.14/3,677.89 = 1,486.21/x
3. Step 3: Cross multiply
   2,665.14x = 3,677.89 × 1,486.21
4. Step 4: Simplify right side
   2,665.14x = 5,466,116.90
5. Step 5: Solve for x
   x = 5,466,116.90/2,665.14
6. Step 6: Final answer
   x = 2,050.97