Finding the Fourth Proportional to 14,510.72, 21,769.72 and 5,745.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,510.72 : 21,769.72 = 5,745.72 : x
2. Step 2: Convert to fraction form
   14,510.72/21,769.72 = 5,745.72/x
3. Step 3: Cross multiply
   14,510.72x = 21,769.72 × 5,745.72
4. Step 4: Simplify right side
   14,510.72x = 125,082,715.60
5. Step 5: Solve for x
   x = 125,082,715.60/14,510.72
6. Step 6: Final answer
   x = 8,620.02