Finding the Fourth Proportional to 22,380.67, 33,540.76 and 8,522.11

Step by Step Solution

1. Step 1: Write the proportion equation
   22,380.67 : 33,540.76 = 8,522.11 : x
2. Step 2: Convert to fraction form
   22,380.67/33,540.76 = 8,522.11/x
3. Step 3: Cross multiply
   22,380.67x = 33,540.76 × 8,522.11
4. Step 4: Simplify right side
   22,380.67x = 285,837,835.89
5. Step 5: Solve for x
   x = 285,837,835.89/22,380.67
6. Step 6: Final answer
   x = 12,771.64