Finding the Fourth Proportional to 3,724.46, 5,141.69 and 2,928.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,724.46 : 5,141.69 = 2,928.29 : x
2. Step 2: Convert to fraction form
   3,724.46/5,141.69 = 2,928.29/x
3. Step 3: Cross multiply
   3,724.46x = 5,141.69 × 2,928.29
4. Step 4: Simplify right side
   3,724.46x = 15,056,319.06
5. Step 5: Solve for x
   x = 15,056,319.06/3,724.46
6. Step 6: Final answer
   x = 4,042.56