Finding the Fourth Proportional to 7,080.41, 10,619.30 and 3,280.15

Step by Step Solution

1. Step 1: Write the proportion equation
   7,080.41 : 10,619.30 = 3,280.15 : x
2. Step 2: Convert to fraction form
   7,080.41/10,619.30 = 3,280.15/x
3. Step 3: Cross multiply
   7,080.41x = 10,619.30 × 3,280.15
4. Step 4: Simplify right side
   7,080.41x = 34,832,918.37
5. Step 5: Solve for x
   x = 34,832,918.37/7,080.41
6. Step 6: Final answer
   x = 4,919.62