Finding the Fourth Proportional to 3,686.08, 5,086.90 and 2,007.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,686.08 : 5,086.90 = 2,007.59 : x
2. Step 2: Convert to fraction form
   3,686.08/5,086.90 = 2,007.59/x
3. Step 3: Cross multiply
   3,686.08x = 5,086.90 × 2,007.59
4. Step 4: Simplify right side
   3,686.08x = 10,212,409.57
5. Step 5: Solve for x
   x = 10,212,409.57/3,686.08
6. Step 6: Final answer
   x = 2,770.53