Finding the Fourth Proportional to 8,768.09, 12,100.28 and 4,789.37

Step by Step Solution

1. Step 1: Write the proportion equation
   8,768.09 : 12,100.28 = 4,789.37 : x
2. Step 2: Convert to fraction form
   8,768.09/12,100.28 = 4,789.37/x
3. Step 3: Cross multiply
   8,768.09x = 12,100.28 × 4,789.37
4. Step 4: Simplify right side
   8,768.09x = 57,952,718.02
5. Step 5: Solve for x
   x = 57,952,718.02/8,768.09
6. Step 6: Final answer
   x = 6,609.50