Finding the Fourth Proportional to 8,144.54, 12,216.86 and 2,301.20

Step by Step Solution

1. Step 1: Write the proportion equation
   8,144.54 : 12,216.86 = 2,301.20 : x
2. Step 2: Convert to fraction form
   8,144.54/12,216.86 = 2,301.20/x
3. Step 3: Cross multiply
   8,144.54x = 12,216.86 × 2,301.20
4. Step 4: Simplify right side
   8,144.54x = 28,113,365.64
5. Step 5: Solve for x
   x = 28,113,365.64/8,144.54
6. Step 6: Final answer
   x = 3,451.81