Finding the Fourth Proportional to 3,685.89, 5,086.76 and 2,114.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,685.89 : 5,086.76 = 2,114.49 : x
2. Step 2: Convert to fraction form
   3,685.89/5,086.76 = 2,114.49/x
3. Step 3: Cross multiply
   3,685.89x = 5,086.76 × 2,114.49
4. Step 4: Simplify right side
   3,685.89x = 10,755,903.15
5. Step 5: Solve for x
   x = 10,755,903.15/3,685.89
6. Step 6: Final answer
   x = 2,918.13