Finding the Fourth Proportional to 8,784.27, 12,122.55 and 4,805.67

Step by Step Solution

1. Step 1: Write the proportion equation
   8,784.27 : 12,122.55 = 4,805.67 : x
2. Step 2: Convert to fraction form
   8,784.27/12,122.55 = 4,805.67/x
3. Step 3: Cross multiply
   8,784.27x = 12,122.55 × 4,805.67
4. Step 4: Simplify right side
   8,784.27x = 58,256,974.86
5. Step 5: Solve for x
   x = 58,256,974.86/8,784.27
6. Step 6: Final answer
   x = 6,631.97