Finding the Fourth Proportional to 3,686.25, 5,087.01 and 2,114.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,686.25 : 5,087.01 = 2,114.31 : x
2. Step 2: Convert to fraction form
   3,686.25/5,087.01 = 2,114.31/x
3. Step 3: Cross multiply
   3,686.25x = 5,087.01 × 2,114.31
4. Step 4: Simplify right side
   3,686.25x = 10,755,516.11
5. Step 5: Solve for x
   x = 10,755,516.11/3,686.25
6. Step 6: Final answer
   x = 2,917.74