Finding the Fourth Proportional to 3,685.95, 5,086.71 and 2,007.43

Step by Step Solution

1. Step 1: Write the proportion equation
   3,685.95 : 5,086.71 = 2,007.43 : x
2. Step 2: Convert to fraction form
   3,685.95/5,086.71 = 2,007.43/x
3. Step 3: Cross multiply
   3,685.95x = 5,086.71 × 2,007.43
4. Step 4: Simplify right side
   3,685.95x = 10,211,214.26
5. Step 5: Solve for x
   x = 10,211,214.26/3,685.95
6. Step 6: Final answer
   x = 2,770.31