Finding the Fourth Proportional to 12,196.85, 18,284.18 and 4,403.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196.85 : 18,284.18 = 4,403.84 : x
2. Step 2: Convert to fraction form
   12,196.85/18,284.18 = 4,403.84/x
3. Step 3: Cross multiply
   12,196.85x = 18,284.18 × 4,403.84
4. Step 4: Simplify right side
   12,196.85x = 80,520,603.25
5. Step 5: Solve for x
   x = 80,520,603.25/12,196.85
6. Step 6: Final answer
   x = 6,601.75