Finding the Fourth Proportional to 8,767.59, 12,099.34 and 4,788.80

Step by Step Solution

1. Step 1: Write the proportion equation
   8,767.59 : 12,099.34 = 4,788.80 : x
2. Step 2: Convert to fraction form
   8,767.59/12,099.34 = 4,788.80/x
3. Step 3: Cross multiply
   8,767.59x = 12,099.34 × 4,788.80
4. Step 4: Simplify right side
   8,767.59x = 57,941,378.31
5. Step 5: Solve for x
   x = 57,941,378.31/8,767.59
6. Step 6: Final answer
   x = 6,608.59