Finding the Fourth Proportional to 8,055.90, 12,086.16 and 2,509.29

Step by Step Solution

1. Step 1: Write the proportion equation
   8,055.90 : 12,086.16 = 2,509.29 : x
2. Step 2: Convert to fraction form
   8,055.90/12,086.16 = 2,509.29/x
3. Step 3: Cross multiply
   8,055.90x = 12,086.16 × 2,509.29
4. Step 4: Simplify right side
   8,055.90x = 30,327,680.43
5. Step 5: Solve for x
   x = 30,327,680.43/8,055.90
6. Step 6: Final answer
   x = 3,764.65