Finding the Fourth Proportional to 8,767.76, 12,099.71 and 4,788.83

Step by Step Solution

1. Step 1: Write the proportion equation
   8,767.76 : 12,099.71 = 4,788.83 : x
2. Step 2: Convert to fraction form
   8,767.76/12,099.71 = 4,788.83/x
3. Step 3: Cross multiply
   8,767.76x = 12,099.71 × 4,788.83
4. Step 4: Simplify right side
   8,767.76x = 57,943,496.46
5. Step 5: Solve for x
   x = 57,943,496.46/8,767.76
6. Step 6: Final answer
   x = 6,608.70