Finding the Fourth Proportional to 3,686.08, 5,086.86 and 2,114.14

Step by Step Solution

1. Step 1: Write the proportion equation
   3,686.08 : 5,086.86 = 2,114.14 : x
2. Step 2: Convert to fraction form
   3,686.08/5,086.86 = 2,114.14/x
3. Step 3: Cross multiply
   3,686.08x = 5,086.86 × 2,114.14
4. Step 4: Simplify right side
   3,686.08x = 10,754,334.20
5. Step 5: Solve for x
   x = 10,754,334.20/3,686.08
6. Step 6: Final answer
   x = 2,917.55