Finding the Fourth Proportional to 3,316.72, 4,969.32 and 2,019.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,316.72 : 4,969.32 = 2,019.28 : x
2. Step 2: Convert to fraction form
   3,316.72/4,969.32 = 2,019.28/x
3. Step 3: Cross multiply
   3,316.72x = 4,969.32 × 2,019.28
4. Step 4: Simplify right side
   3,316.72x = 10,034,448.49
5. Step 5: Solve for x
   x = 10,034,448.49/3,316.72
6. Step 6: Final answer
   x = 3,025.41