Finding the Fourth Proportional to 8,768.97, 12,100.71 and 4,789.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,768.97 : 12,100.71 = 4,789.31 : x
2. Step 2: Convert to fraction form
   8,768.97/12,100.71 = 4,789.31/x
3. Step 3: Cross multiply
   8,768.97x = 12,100.71 × 4,789.31
4. Step 4: Simplify right side
   8,768.97x = 57,953,990.91
5. Step 5: Solve for x
   x = 57,953,990.91/8,768.97
6. Step 6: Final answer
   x = 6,608.98