Finding the Fourth Proportional to 8,066.78, 12,103.10 and 2,520.51

Step by Step Solution

1. Step 1: Write the proportion equation
   8,066.78 : 12,103.10 = 2,520.51 : x
2. Step 2: Convert to fraction form
   8,066.78/12,103.10 = 2,520.51/x
3. Step 3: Cross multiply
   8,066.78x = 12,103.10 × 2,520.51
4. Step 4: Simplify right side
   8,066.78x = 30,505,984.58
5. Step 5: Solve for x
   x = 30,505,984.58/8,066.78
6. Step 6: Final answer
   x = 3,781.68