Finding the Fourth Proportional to 8,711.33, 12,024.60 and 5,354.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,711.33 : 12,024.60 = 5,354.30 : x
2. Step 2: Convert to fraction form
   8,711.33/12,024.60 = 5,354.30/x
3. Step 3: Cross multiply
   8,711.33x = 12,024.60 × 5,354.30
4. Step 4: Simplify right side
   8,711.33x = 64,383,315.78
5. Step 5: Solve for x
   x = 64,383,315.78/8,711.33
6. Step 6: Final answer
   x = 7,390.76