Finding the Fourth Proportional to 8,014.78, 12,016.50 and 3,080.26

Step by Step Solution

1. Step 1: Write the proportion equation
   8,014.78 : 12,016.50 = 3,080.26 : x
2. Step 2: Convert to fraction form
   8,014.78/12,016.50 = 3,080.26/x
3. Step 3: Cross multiply
   8,014.78x = 12,016.50 × 3,080.26
4. Step 4: Simplify right side
   8,014.78x = 37,013,944.29
5. Step 5: Solve for x
   x = 37,013,944.29/8,014.78
6. Step 6: Final answer
   x = 4,618.21