Finding the Fourth Proportional to 2,928.84, 4,399.37 and 2,490.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,928.84 : 4,399.37 = 2,490.02 : x
2. Step 2: Convert to fraction form
   2,928.84/4,399.37 = 2,490.02/x
3. Step 3: Cross multiply
   2,928.84x = 4,399.37 × 2,490.02
4. Step 4: Simplify right side
   2,928.84x = 10,954,519.29
5. Step 5: Solve for x
   x = 10,954,519.29/2,928.84
6. Step 6: Final answer
   x = 3,740.22