Finding the Fourth Proportional to 8,080.55, 12,111.86 and 3,399.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,080.55 : 12,111.86 = 3,399.18 : x
2. Step 2: Convert to fraction form
   8,080.55/12,111.86 = 3,399.18/x
3. Step 3: Cross multiply
   8,080.55x = 12,111.86 × 3,399.18
4. Step 4: Simplify right side
   8,080.55x = 41,170,375.28
5. Step 5: Solve for x
   x = 41,170,375.28/8,080.55
6. Step 6: Final answer
   x = 5,095.00