Finding the Fourth Proportional to 2,665, 3,677.70 and 1,486.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665 : 3,677.70 = 1,486.15 : x
2. Step 2: Convert to fraction form
   2,665/3,677.70 = 1,486.15/x
3. Step 3: Cross multiply
   2,665x = 3,677.70 × 1,486.15
4. Step 4: Simplify right side
   2,665x = 5,465,613.86
5. Step 5: Solve for x
   x = 5,465,613.86/2,665
6. Step 6: Final answer
   x = 2,050.89