Finding the Fourth Proportional to 3,686.42, 5,087.22 and 2,114.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,686.42 : 5,087.22 = 2,114.76 : x
2. Step 2: Convert to fraction form
   3,686.42/5,087.22 = 2,114.76/x
3. Step 3: Cross multiply
   3,686.42x = 5,087.22 × 2,114.76
4. Step 4: Simplify right side
   3,686.42x = 10,758,249.37
5. Step 5: Solve for x
   x = 10,758,249.37/3,686.42
6. Step 6: Final answer
   x = 2,918.35