Finding the Fourth Proportional to 8,055.54, 12,080.94 and 3,124.08

Step by Step Solution

1. Step 1: Write the proportion equation
   8,055.54 : 12,080.94 = 3,124.08 : x
2. Step 2: Convert to fraction form
   8,055.54/12,080.94 = 3,124.08/x
3. Step 3: Cross multiply
   8,055.54x = 12,080.94 × 3,124.08
4. Step 4: Simplify right side
   8,055.54x = 37,741,823.04
5. Step 5: Solve for x
   x = 37,741,823.04/8,055.54
6. Step 6: Final answer
   x = 4,685.20