Finding the Fourth Proportional to 12,267.40, 18,384.89 and 4,468.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,267.40 : 18,384.89 = 4,468.72 : x
2. Step 2: Convert to fraction form
   12,267.40/18,384.89 = 4,468.72/x
3. Step 3: Cross multiply
   12,267.40x = 18,384.89 × 4,468.72
4. Step 4: Simplify right side
   12,267.40x = 82,156,890.85
5. Step 5: Solve for x
   x = 82,156,890.85/12,267.40
6. Step 6: Final answer
   x = 6,697.17