Finding the Fourth Proportional to 12,196.42, 18,294.33 and 5,622.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196.42 : 18,294.33 = 5,622.60 : x
2. Step 2: Convert to fraction form
   12,196.42/18,294.33 = 5,622.60/x
3. Step 3: Cross multiply
   12,196.42x = 18,294.33 × 5,622.60
4. Step 4: Simplify right side
   12,196.42x = 102,861,699.86
5. Step 5: Solve for x
   x = 102,861,699.86/12,196.42
6. Step 6: Final answer
   x = 8,433.76