Finding the Fourth Proportional to 67,636.56, 101,453.52 and 20,251.68

Step by Step Solution

1. Step 1: Write the proportion equation
   67,636.56 : 101,453.52 = 20,251.68 : x
2. Step 2: Convert to fraction form
   67,636.56/101,453.52 = 20,251.68/x
3. Step 3: Cross multiply
   67,636.56x = 101,453.52 × 20,251.68
4. Step 4: Simplify right side
   67,636.56x = 2,054,604,221.91
5. Step 5: Solve for x
   x = 2,054,604,221.91/67,636.56
6. Step 6: Final answer
   x = 30,377.12