Finding the Fourth Proportional to 8,055.79, 12,078.69 and 2,507.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,055.79 : 12,078.69 = 2,507.56 : x
2. Step 2: Convert to fraction form
   8,055.79/12,078.69 = 2,507.56/x
3. Step 3: Cross multiply
   8,055.79x = 12,078.69 × 2,507.56
4. Step 4: Simplify right side
   8,055.79x = 30,288,039.90
5. Step 5: Solve for x
   x = 30,288,039.90/8,055.79
6. Step 6: Final answer
   x = 3,759.79