Finding the Fourth Proportional to 8,871.02, 12,242.18 and 5,732.67

Step by Step Solution

1. Step 1: Write the proportion equation
   8,871.02 : 12,242.18 = 5,732.67 : x
2. Step 2: Convert to fraction form
   8,871.02/12,242.18 = 5,732.67/x
3. Step 3: Cross multiply
   8,871.02x = 12,242.18 × 5,732.67
4. Step 4: Simplify right side
   8,871.02x = 70,180,378.02
5. Step 5: Solve for x
   x = 70,180,378.02/8,871.02
6. Step 6: Final answer
   x = 7,911.20