Finding the Fourth Proportional to 8,748.27, 12,072.78 and 4,769.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,748.27 : 12,072.78 = 4,769.55 : x
2. Step 2: Convert to fraction form
   8,748.27/12,072.78 = 4,769.55/x
3. Step 3: Cross multiply
   8,748.27x = 12,072.78 × 4,769.55
4. Step 4: Simplify right side
   8,748.27x = 57,581,727.85
5. Step 5: Solve for x
   x = 57,581,727.85/8,748.27
6. Step 6: Final answer
   x = 6,582.07