Finding the Fourth Proportional to 12,168.82, 18,253.18 and 4,768.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,168.82 : 18,253.18 = 4,768.05 : x
2. Step 2: Convert to fraction form
   12,168.82/18,253.18 = 4,768.05/x
3. Step 3: Cross multiply
   12,168.82x = 18,253.18 × 4,768.05
4. Step 4: Simplify right side
   12,168.82x = 87,032,074.90
5. Step 5: Solve for x
   x = 87,032,074.90/12,168.82
6. Step 6: Final answer
   x = 7,152.06