Finding the Fourth Proportional to 12,196.04, 18,295.28 and 3,311.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196.04 : 18,295.28 = 3,311.50 : x
2. Step 2: Convert to fraction form
   12,196.04/18,295.28 = 3,311.50/x
3. Step 3: Cross multiply
   12,196.04x = 18,295.28 × 3,311.50
4. Step 4: Simplify right side
   12,196.04x = 60,584,819.72
5. Step 5: Solve for x
   x = 60,584,819.72/12,196.04
6. Step 6: Final answer
   x = 4,967.58