Finding the Fourth Proportional to 8,080.54, 12,118.46 and 3,149.01

Step by Step Solution

1. Step 1: Write the proportion equation
   8,080.54 : 12,118.46 = 3,149.01 : x
2. Step 2: Convert to fraction form
   8,080.54/12,118.46 = 3,149.01/x
3. Step 3: Cross multiply
   8,080.54x = 12,118.46 × 3,149.01
4. Step 4: Simplify right side
   8,080.54x = 38,161,153.69
5. Step 5: Solve for x
   x = 38,161,153.69/8,080.54
6. Step 6: Final answer
   x = 4,722.60