Finding the Fourth Proportional to 8,040.96, 11,106.72 and 7,254.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,040.96 : 11,106.72 = 7,254.72 : x
2. Step 2: Convert to fraction form
   8,040.96/11,106.72 = 7,254.72/x
3. Step 3: Cross multiply
   8,040.96x = 11,106.72 × 7,254.72
4. Step 4: Simplify right side
   8,040.96x = 80,576,143.72
5. Step 5: Solve for x
   x = 80,576,143.72/8,040.96
6. Step 6: Final answer
   x = 10,020.71