Finding the Fourth Proportional to 8,748.24, 12,072.21 and 4,769.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,748.24 : 12,072.21 = 4,769.34 : x
2. Step 2: Convert to fraction form
   8,748.24/12,072.21 = 4,769.34/x
3. Step 3: Cross multiply
   8,748.24x = 12,072.21 × 4,769.34
4. Step 4: Simplify right side
   8,748.24x = 57,576,474.04
5. Step 5: Solve for x
   x = 57,576,474.04/8,748.24
6. Step 6: Final answer
   x = 6,581.49