Finding the Fourth Proportional to 8,080.16, 12,131.59 and 4,134.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,080.16 : 12,131.59 = 4,134.25 : x
2. Step 2: Convert to fraction form
   8,080.16/12,131.59 = 4,134.25/x
3. Step 3: Cross multiply
   8,080.16x = 12,131.59 × 4,134.25
4. Step 4: Simplify right side
   8,080.16x = 50,154,944.63
5. Step 5: Solve for x
   x = 50,154,944.63/8,080.16
6. Step 6: Final answer
   x = 6,207.18