Finding the Fourth Proportional to 8,784.95, 12,122.72 and 4,805.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,784.95 : 12,122.72 = 4,805.27 : x
2. Step 2: Convert to fraction form
   8,784.95/12,122.72 = 4,805.27/x
3. Step 3: Cross multiply
   8,784.95x = 12,122.72 × 4,805.27
4. Step 4: Simplify right side
   8,784.95x = 58,252,918.71
5. Step 5: Solve for x
   x = 58,252,918.71/8,784.95
6. Step 6: Final answer
   x = 6,630.99