Finding the Fourth Proportional to 8,784.59, 12,122.73 and 4,805.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,784.59 : 12,122.73 = 4,805.69 : x
2. Step 2: Convert to fraction form
   8,784.59/12,122.73 = 4,805.69/x
3. Step 3: Cross multiply
   8,784.59x = 12,122.73 × 4,805.69
4. Step 4: Simplify right side
   8,784.59x = 58,258,021.72
5. Step 5: Solve for x
   x = 58,258,021.72/8,784.59
6. Step 6: Final answer
   x = 6,631.85