Finding the Fourth Proportional to 3,609.45, 4,980.99 and 2,016.13

Step by Step Solution

1. Step 1: Write the proportion equation
   3,609.45 : 4,980.99 = 2,016.13 : x
2. Step 2: Convert to fraction form
   3,609.45/4,980.99 = 2,016.13/x
3. Step 3: Cross multiply
   3,609.45x = 4,980.99 × 2,016.13
4. Step 4: Simplify right side
   3,609.45x = 10,042,322.15
5. Step 5: Solve for x
   x = 10,042,322.15/3,609.45
6. Step 6: Final answer
   x = 2,782.23