Finding the Fourth Proportional to 8,768.12, 12,100.30 and 4,789.53

Step by Step Solution

1. Step 1: Write the proportion equation
   8,768.12 : 12,100.30 = 4,789.53 : x
2. Step 2: Convert to fraction form
   8,768.12/12,100.30 = 4,789.53/x
3. Step 3: Cross multiply
   8,768.12x = 12,100.30 × 4,789.53
4. Step 4: Simplify right side
   8,768.12x = 57,954,737.89
5. Step 5: Solve for x
   x = 57,954,737.89/8,768.12
6. Step 6: Final answer
   x = 6,609.71