Finding the Fourth Proportional to 67,672.10, 101,508.15 and 18,424.10

Step by Step Solution

1. Step 1: Write the proportion equation
   67,672.10 : 101,508.15 = 18,424.10 : x
2. Step 2: Convert to fraction form
   67,672.10/101,508.15 = 18,424.10/x
3. Step 3: Cross multiply
   67,672.10x = 101,508.15 × 18,424.10
4. Step 4: Simplify right side
   67,672.10x = 1,870,196,306.42
5. Step 5: Solve for x
   x = 1,870,196,306.42/67,672.10
6. Step 6: Final answer
   x = 27,636.15