Finding the Fourth Proportional to 8,522.24, 11,757.57 and 5,162.63

Step by Step Solution

1. Step 1: Write the proportion equation
   8,522.24 : 11,757.57 = 5,162.63 : x
2. Step 2: Convert to fraction form
   8,522.24/11,757.57 = 5,162.63/x
3. Step 3: Cross multiply
   8,522.24x = 11,757.57 × 5,162.63
4. Step 4: Simplify right side
   8,522.24x = 60,699,983.61
5. Step 5: Solve for x
   x = 60,699,983.61/8,522.24
6. Step 6: Final answer
   x = 7,122.54