Finding the Fourth Proportional to 8,767.25, 12,099.29 and 4,788.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,767.25 : 12,099.29 = 4,788.72 : x
2. Step 2: Convert to fraction form
   8,767.25/12,099.29 = 4,788.72/x
3. Step 3: Cross multiply
   8,767.25x = 12,099.29 × 4,788.72
4. Step 4: Simplify right side
   8,767.25x = 57,940,088.07
5. Step 5: Solve for x
   x = 57,940,088.07/8,767.25
6. Step 6: Final answer
   x = 6,608.70