Finding the Fourth Proportional to 3,724.73, 5,580.07 and 3,112.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,724.73 : 5,580.07 = 3,112.37 : x
2. Step 2: Convert to fraction form
   3,724.73/5,580.07 = 3,112.37/x
3. Step 3: Cross multiply
   3,724.73x = 5,580.07 × 3,112.37
4. Step 4: Simplify right side
   3,724.73x = 17,367,206.78
5. Step 5: Solve for x
   x = 17,367,206.78/3,724.73
6. Step 6: Final answer
   x = 4,662.68