Finding the Fourth Proportional to 8,767.91, 12,099.69 and 4,789.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,767.91 : 12,099.69 = 4,789.02 : x
2. Step 2: Convert to fraction form
   8,767.91/12,099.69 = 4,789.02/x
3. Step 3: Cross multiply
   8,767.91x = 12,099.69 × 4,789.02
4. Step 4: Simplify right side
   8,767.91x = 57,945,702.78
5. Step 5: Solve for x
   x = 57,945,702.78/8,767.91
6. Step 6: Final answer
   x = 6,608.84