Finding the Fourth Proportional to 8,169.34, 12,236.38 and 5,522.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,169.34 : 12,236.38 = 5,522.30 : x
2. Step 2: Convert to fraction form
   8,169.34/12,236.38 = 5,522.30/x
3. Step 3: Cross multiply
   8,169.34x = 12,236.38 × 5,522.30
4. Step 4: Simplify right side
   8,169.34x = 67,572,961.27
5. Step 5: Solve for x
   x = 67,572,961.27/8,169.34
6. Step 6: Final answer
   x = 8,271.53