Finding the Fourth Proportional to 8,768.31, 12,100.29 and 4,789.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,768.31 : 12,100.29 = 4,789.50 : x
2. Step 2: Convert to fraction form
   8,768.31/12,100.29 = 4,789.50/x
3. Step 3: Cross multiply
   8,768.31x = 12,100.29 × 4,789.50
4. Step 4: Simplify right side
   8,768.31x = 57,954,338.96
5. Step 5: Solve for x
   x = 57,954,338.96/8,768.31
6. Step 6: Final answer
   x = 6,609.52