Finding the Fourth Proportional to 3,685.80, 5,087.51 and 2,427.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,685.80 : 5,087.51 = 2,427.83 : x
2. Step 2: Convert to fraction form
   3,685.80/5,087.51 = 2,427.83/x
3. Step 3: Cross multiply
   3,685.80x = 5,087.51 × 2,427.83
4. Step 4: Simplify right side
   3,685.80x = 12,351,571.83
5. Step 5: Solve for x
   x = 12,351,571.83/3,685.80
6. Step 6: Final answer
   x = 3,351.12