Finding the Fourth Proportional to 12,196.41, 18,280.49 and 5,608.77

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196.41 : 18,280.49 = 5,608.77 : x
2. Step 2: Convert to fraction form
   12,196.41/18,280.49 = 5,608.77/x
3. Step 3: Cross multiply
   12,196.41x = 18,280.49 × 5,608.77
4. Step 4: Simplify right side
   12,196.41x = 102,531,035.85
5. Step 5: Solve for x
   x = 102,531,035.85/12,196.41
6. Step 6: Final answer
   x = 8,406.66